diff --git a/packages/turf-angle/index.ts b/packages/turf-angle/index.ts
index c7a386c5b7..8eb2dd914d 100644
--- a/packages/turf-angle/index.ts
+++ b/packages/turf-angle/index.ts
@@ -49,19 +49,23 @@ function angle(
   const B = endPoint;
 
   // Main
-  const azimuthAO = bearingToAzimuth(
-    options.mercator !== true ? bearing(A, O) : rhumbBearing(A, O)
+  const azimuthOA = bearingToAzimuth(
+    options.mercator !== true ? bearing(O, A) : rhumbBearing(O, A)
   );
-  const azimuthBO = bearingToAzimuth(
-    options.mercator !== true ? bearing(B, O) : rhumbBearing(B, O)
+  let azimuthOB = bearingToAzimuth(
+    options.mercator !== true ? bearing(O, B) : rhumbBearing(O, B)
   );
-  const angleAO = Math.abs(azimuthAO - azimuthBO);
+  // If OB "trails" OA advance OB one revolution so we get the clockwise angle.
+  if (azimuthOB < azimuthOA) {
+    azimuthOB = azimuthOB + 360;
+  }
+  const angleAOB = azimuthOB - azimuthOA;
 
   // Explementary angle
   if (options.explementary === true) {
-    return 360 - angleAO;
+    return 360 - angleAOB;
   }
-  return angleAO;
+  return angleAOB;
 }
 
 export { angle };
diff --git a/packages/turf-angle/test.ts b/packages/turf-angle/test.ts
index a90afb5bb0..5b7985117e 100644
--- a/packages/turf-angle/test.ts
+++ b/packages/turf-angle/test.ts
@@ -1,101 +1,186 @@
 import test from "tape";
-import path from "path";
-import { fileURLToPath } from "url";
-import { glob } from "glob";
-import { loadJsonFileSync } from "load-json-file";
-import { writeJsonFileSync } from "write-json-file";
-import { sector } from "@turf/sector";
-import { bearing } from "@turf/bearing";
-import { truncate } from "@turf/truncate";
-import { distance } from "@turf/distance";
-import { point, round, lineString, featureCollection } from "@turf/helpers";
+import { point, round } from "@turf/helpers";
 import { angle } from "./index.js";
 
-const __dirname = path.dirname(fileURLToPath(import.meta.url));
-
-test("turf-angle", (t) => {
-  glob
-    .sync(path.join(__dirname, "test", "in", "*.json"))
-    .forEach((filepath) => {
-      // Input
-      const { name } = path.parse(filepath);
-      const geojson = loadJsonFileSync(filepath);
-      const [start, mid, end] = geojson.features;
-
-      // Results
-      const angleProperties = {
-        interiorAngle: round(angle(start, mid, end), 6),
-        interiorMercatorAngle: round(
-          angle(start, mid, end, { mercator: true }),
-          6
-        ),
-        explementary: false,
-        fill: "#F00",
-        stroke: "#F00",
-        "fill-opacity": 0.3,
-      };
-      const angleExplementaryProperties = {
-        explementaryAngle: round(
-          angle(start, mid, end, { explementary: true }),
-          6
-        ),
-        explementaryMercatorAngle: round(
-          angle(start, mid, end, { explementary: true, mercator: true }),
-          6
-        ),
+test("turf-angle -- across 0 bearing", (t) => {
+  t.equal(round(angle([-1, 1], [0, 0], [1, 1])), 90, "90 degrees");
+
+  t.end();
+});
+
+test("turf-angle -- 90 degrees", (t) => {
+  t.equal(
+    round(angle([124, -17], [124, -22], [131, -22]), 6),
+    91.312527,
+    "91.312527 degrees"
+  );
+  t.equal(
+    round(angle([124, -17], [124, -22], [131, -22], { explementary: true }), 6),
+    268.687473,
+    "268.687473 degrees explementary"
+  );
+  t.equal(
+    round(angle([124, -17], [124, -22], [131, -22], { mercator: true }), 6),
+    90,
+    "90 degrees mercator"
+  );
+  t.equal(
+    round(
+      angle([124, -17], [124, -22], [131, -22], {
+        explementary: true,
+        mercator: true,
+      }),
+      6
+    ),
+    270,
+    "270 degrees explementary mercator"
+  );
+  t.end();
+});
+
+test("turf-angle -- 180 degrees", (t) => {
+  t.equal(round(angle([3, -1], [2, 0], [1, 1]), 6), 180, "180 degrees");
+
+  t.end();
+});
+
+test("turf-angle -- obtuse", (t) => {
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [59, 15.5]), 6),
+    218.715175,
+    "218.715175 degrees"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [59, 15.5], { explementary: true }),
+      6
+    ),
+    141.284825,
+    "141.284825 degrees explementary"
+  );
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [59, 15.5], { mercator: true }), 6),
+    219.826106,
+    "219.826106 degrees mercator"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [59, 15.5], {
+        explementary: true,
+        mercator: true,
+      }),
+      6
+    ),
+    140.173894,
+    "140.173894 degrees explementary mercator"
+  );
+  t.end();
+});
+
+test("turf-angle -- obtuse bigger", (t) => {
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [46.5, 19]), 6),
+    121.330117,
+    "121.330117 degrees"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [46.5, 19], { explementary: true }),
+      6
+    ),
+    238.669883,
+    "238.669883 degrees explementary"
+  );
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [46.5, 19], { mercator: true }), 6),
+    120.970546,
+    "120.970546"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [46.5, 19], {
+        explementary: true,
+        mercator: true,
+      }),
+      6
+    ),
+    239.029454,
+    "239.029454 degrees explementary mercator"
+  );
+  t.end();
+});
+
+test("turf-angle -- acute", (t) => {
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [44.5, 10.5]), 6),
+    53.608314,
+    "53.608314 degrees"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [44.5, 10.5], { explementary: true }),
+      6
+    ),
+    306.391686,
+    "306.391686 degrees explementary"
+  );
+  t.equal(
+    round(angle([48.5, 5.5], [51.5, 12], [44.5, 10.5], { mercator: true }), 6),
+    53.166357,
+    "53.166357 degrees mercator"
+  );
+  t.equal(
+    round(
+      angle([48.5, 5.5], [51.5, 12], [44.5, 10.5], {
         explementary: true,
-        fill: "#00F",
-        stroke: "#00F",
-        "fill-opacity": 0.3,
-      };
-      const results = featureCollection([
-        truncate(
-          sector(
-            mid,
-            distance(mid, start) / 3,
-            bearing(mid, start),
-            bearing(mid, end),
-            { properties: angleProperties }
-          )
-        ),
-        truncate(
-          sector(
-            mid,
-            distance(mid, start) / 2,
-            bearing(mid, end),
-            bearing(mid, start),
-            { properties: angleExplementaryProperties }
-          )
-        ),
-        lineString(
-          [
-            start.geometry.coordinates,
-            mid.geometry.coordinates,
-            end.geometry.coordinates,
-          ],
-          { "stroke-width": 4, stroke: "#222" }
-        ),
-        start,
-        mid,
-        end,
-      ]);
-
-      // Save results
-      const expected = filepath.replace(
-        path.join("test", "in"),
-        path.join("test", "out")
-      );
-      if (process.env.REGEN) writeJsonFileSync(expected, results);
-      t.deepEqual(results, loadJsonFileSync(expected), name);
-    });
+        mercator: true,
+      }),
+      6
+    ),
+    306.833643,
+    "306.833643 degrees explementary mercator"
+  );
+  t.end();
+});
+
+test("turf-angle -- acute inverse", (t) => {
+  t.equal(
+    round(angle([44.5, 10.5], [51.5, 12], [48.5, 5.5]), 6),
+    306.391686,
+    "306.391686 degrees"
+  );
+  t.equal(
+    round(
+      angle([44.5, 10.5], [51.5, 12], [48.5, 5.5], { explementary: true }),
+      6
+    ),
+    53.608314,
+    "53.608314 degrees explementary"
+  );
+  t.equal(
+    round(angle([44.5, 10.5], [51.5, 12], [48.5, 5.5], { mercator: true }), 6),
+    306.833643,
+    "306.833643 degrees mercator"
+  );
+  t.equal(
+    round(
+      angle([44.5, 10.5], [51.5, 12], [48.5, 5.5], {
+        explementary: true,
+        mercator: true,
+      }),
+      6
+    ),
+    53.166357,
+    "53.166357 degrees explementary mercator"
+  );
   t.end();
 });
 
 test("turf-angle -- simple", (t) => {
   t.equal(round(angle([5, 5], [5, 6], [3, 4])), 45, "45 degrees");
-  t.equal(round(angle([3, 4], [5, 6], [5, 5])), 45, "45 degrees -- inverse");
+  t.equal(round(angle([3, 4], [5, 6], [5, 5])), 315, "315 degrees -- inverse");
   t.equal(
-    round(angle([3, 4], [5, 6], [5, 5], { explementary: true })),
+    round(angle([5, 5], [5, 6], [3, 4], { explementary: true })),
     360 - 45,
     "explementary angle"
   );
@@ -139,3 +224,19 @@ test("turf-angle -- throws", (t) => {
 
   t.end();
 });
+
+test("turf-angle -- 2703", (t) => {
+  const start = [0, 1];
+  const mid = [0, 0];
+  const end = [1, 0];
+  const a = angle(start, mid, end);
+  t.equal(a, 90, "90 clockwise");
+
+  const start2 = [0, 1];
+  const mid2 = [0, 0];
+  const end2 = [-1, 0];
+  const a2 = angle(start2, mid2, end2);
+  t.equal(a2, 270, "270 clockwise");
+
+  t.end();
+});
diff --git a/packages/turf-angle/test/in/90-degrees.json b/packages/turf-angle/test/in/90-degrees.json
deleted file mode 100644
index d0040b7120..0000000000
--- a/packages/turf-angle/test/in/90-degrees.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [124, -17]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [124, -22]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [131, -22]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/in/acute-inverse.json b/packages/turf-angle/test/in/acute-inverse.json
deleted file mode 100644
index 9d13168b4f..0000000000
--- a/packages/turf-angle/test/in/acute-inverse.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [44.5, 10.5]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/in/acute.json b/packages/turf-angle/test/in/acute.json
deleted file mode 100644
index 50a544abcd..0000000000
--- a/packages/turf-angle/test/in/acute.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [44.5, 10.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/in/obtuse-bigger.json b/packages/turf-angle/test/in/obtuse-bigger.json
deleted file mode 100644
index b5fb55dbfc..0000000000
--- a/packages/turf-angle/test/in/obtuse-bigger.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [46.5, 19]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/in/obtuse.json b/packages/turf-angle/test/in/obtuse.json
deleted file mode 100644
index 39c54b171d..0000000000
--- a/packages/turf-angle/test/in/obtuse.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [59, 15.5]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/out/90-degrees.json b/packages/turf-angle/test/out/90-degrees.json
deleted file mode 100644
index 4265337bb9..0000000000
--- a/packages/turf-angle/test/out/90-degrees.json
+++ /dev/null
@@ -1,223 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "interiorAngle": 88.687473,
-        "interiorMercatorAngle": 90,
-        "explementary": false,
-        "fill": "#F00",
-        "stroke": "#F00",
-        "fill-opacity": 0.3
-      },
-      "geometry": {
-        "type": "Polygon",
-        "coordinates": [
-          [
-            [124, -22],
-            [124, -20.333333],
-            [124.04425, -20.333844],
-            [124.088474, -20.335376],
-            [124.132644, -20.337929],
-            [124.176735, -20.341501],
-            [124.22072, -20.346089],
-            [124.264573, -20.351692],
-            [124.308266, -20.358305],
-            [124.351775, -20.365925],
-            [124.395073, -20.374547],
-            [124.438134, -20.384166],
-            [124.480932, -20.394777],
-            [124.523441, -20.406372],
-            [124.565636, -20.418945],
-            [124.607491, -20.432488],
-            [124.648981, -20.446993],
-            [124.690081, -20.462452],
-            [124.730767, -20.478855],
-            [124.771013, -20.496192],
-            [124.810795, -20.514453],
-            [124.850089, -20.533627],
-            [124.888872, -20.553702],
-            [124.92712, -20.574667],
-            [124.964809, -20.596508],
-            [125.001917, -20.619212],
-            [125.038421, -20.642766],
-            [125.074299, -20.667156],
-            [125.109529, -20.692366],
-            [125.144089, -20.718382],
-            [125.177958, -20.745187],
-            [125.211115, -20.772767],
-            [125.24354, -20.801103],
-            [125.275212, -20.830179],
-            [125.306113, -20.859977],
-            [125.336223, -20.89048],
-            [125.365524, -20.921668],
-            [125.393996, -20.953523],
-            [125.421623, -20.986025],
-            [125.448387, -21.019156],
-            [125.474271, -21.052893],
-            [125.499259, -21.087218],
-            [125.523336, -21.122109],
-            [125.546485, -21.157546],
-            [125.568692, -21.193505],
-            [125.589943, -21.229966],
-            [125.610224, -21.266907],
-            [125.629523, -21.304304],
-            [125.647826, -21.342135],
-            [125.665122, -21.380377],
-            [125.681399, -21.419006],
-            [125.696646, -21.457999],
-            [125.710855, -21.497332],
-            [125.724014, -21.536981],
-            [125.736115, -21.576922],
-            [125.74715, -21.617129],
-            [125.757111, -21.657579],
-            [125.76599, -21.698246],
-            [125.773783, -21.739105],
-            [125.780482, -21.780132],
-            [125.786084, -21.8213],
-            [125.790582, -21.862586],
-            [125.793975, -21.903962],
-            [125.796258, -21.945403],
-            [125.797429, -21.986885],
-            [125.797488, -22.028381],
-            [124, -22]
-          ]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "explementaryAngle": 271.312527,
-        "explementaryMercatorAngle": 270,
-        "explementary": true,
-        "fill": "#00F",
-        "stroke": "#00F",
-        "fill-opacity": 0.3
-      },
-      "geometry": {
-        "type": "Polygon",
-        "coordinates": [
-          [
-            [124, -22],
-            [126.696439, -22.035218],
-            [126.688162, -22.218141],
-            [126.665416, -22.400012],
-            [126.628265, -22.579849],
-            [126.576855, -22.75668],
-            [126.511409, -22.929545],
-            [126.43223, -23.097499],
-            [126.339701, -23.259623],
-            [126.234279, -23.415026],
-            [126.116502, -23.56285],
-            [125.986979, -23.702275],
-            [125.846392, -23.832527],
-            [125.695492, -23.952877],
-            [125.535093, -24.062653],
-            [125.366071, -24.161238],
-            [125.189356, -24.248076],
-            [125.005929, -24.322678],
-            [124.816814, -24.384621],
-            [124.623073, -24.433554],
-            [124.4258, -24.4692],
-            [124.22611, -24.491355],
-            [124.025137, -24.499893],
-            [123.82402, -24.494767],
-            [123.623903, -24.476005],
-            [123.425921, -24.443714],
-            [123.231195, -24.398077],
-            [123.040823, -24.339354],
-            [122.855878, -24.267878],
-            [122.677392, -24.184053],
-            [122.506359, -24.088353],
-            [122.343722, -23.981317],
-            [122.19037, -23.863547],
-            [122.047134, -23.735703],
-            [121.91478, -23.598499],
-            [121.794008, -23.452698],
-            [121.685447, -23.29911],
-            [121.589651, -23.138582],
-            [121.507098, -22.971999],
-            [121.43819, -22.800274],
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diff --git a/packages/turf-angle/test/out/acute-inverse.json b/packages/turf-angle/test/out/acute-inverse.json
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index e92c2c4b96..0000000000
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diff --git a/packages/turf-angle/test/out/acute.json b/packages/turf-angle/test/out/acute.json
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index a71ae6582f..0000000000
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deleted file mode 100644
index 63f0216685..0000000000
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-            [50.000441, 13.880023],
-            [50.065177, 13.927507],
-            [50.131521, 13.972871],
-            [51.5, 12]
-          ]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "explementaryAngle": 239.552154,
-        "explementaryMercatorAngle": 239.029454,
-        "explementary": true,
-        "fill": "#00F",
-        "stroke": "#00F",
-        "fill-opacity": 0.3
-      },
-      "geometry": {
-        "type": "Polygon",
-        "coordinates": [
-          [
-            [51.5, 12],
-            [49.438664, 14.956465],
-            [49.641509, 15.081264],
-            [49.85254, 15.192891],
-            [50.07084, 15.290851],
-            [50.295457, 15.374712],
-            [50.525406, 15.4441],
-            [50.759673, 15.498708],
-            [50.997223, 15.538293],
-            [51.237005, 15.562678],
-            [51.477954, 15.571755],
-            [51.719002, 15.565483],
-            [51.959077, 15.543891],
-            [52.197114, 15.507073],
-            [52.432059, 15.455195],
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-            [52.88854, 15.307247],
-            [53.108067, 15.211834],
-            [53.320497, 15.10267],
-            [53.524905, 14.98024],
-            [53.720408, 14.845083],
-            [53.906169, 14.697794],
-            [54.081395, 14.539021],
-            [54.245349, 14.369457],
-            [54.397344, 14.189844],
-            [54.536752, 14.000964],
-            [54.663004, 13.803636],
-            [54.775592, 13.598714],
-            [54.874069, 13.387083],
-            [54.958053, 13.169651],
-            [55.027225, 12.947351],
-            [55.081334, 12.721134],
-            [55.12019, 12.491961],
-            [55.143671, 12.260809],
-            [55.15172, 12.028654],
-            [55.144342, 11.796478],
-            [55.121608, 11.565259],
-            [55.083651, 11.33597],
-            [55.030665, 11.10957],
-            [54.962907, 10.887009],
-            [54.880689, 10.669215],
-            [54.784382, 10.457096],
-            [54.674414, 10.251534],
-            [54.551265, 10.053385],
-            [54.415465, 9.86347],
-            [54.267596, 9.682576],
-            [54.108285, 9.511453],
-            [53.938204, 9.350808],
-            [53.758066, 9.201305],
-            [53.568623, 9.063562],
-            [53.370664, 8.938146],
-            [53.165008, 8.825577],
-            [52.952508, 8.726317],
-            [52.73404, 8.640776],
-            [52.510503, 8.569307],
-            [52.282818, 8.512204],
-            [52.051921, 8.469703],
-            [51.818759, 8.441978],
-            [51.584289, 8.429144],
-            [51.349473, 8.431253],
-            [51.115275, 8.448297],
-            [50.882655, 8.480206],
-            [50.652569, 8.526848],
-            [50.42596, 8.588031],
-            [50.203762, 8.663503],
-            [49.986887, 8.752953],
-            [51.5, 12]
-          ]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "stroke-width": 4,
-        "stroke": "#222"
-      },
-      "geometry": {
-        "type": "LineString",
-        "coordinates": [
-          [48.5, 5.5],
-          [51.5, 12],
-          [46.5, 19]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [46.5, 19]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-angle/test/out/obtuse.json b/packages/turf-angle/test/out/obtuse.json
deleted file mode 100644
index 5c2a544c57..0000000000
--- a/packages/turf-angle/test/out/obtuse.json
+++ /dev/null
@@ -1,223 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "properties": {
-        "interiorAngle": 220.958265,
-        "interiorMercatorAngle": 219.826106,
-        "explementary": false,
-        "fill": "#F00",
-        "stroke": "#F00",
-        "fill-opacity": 0.3
-      },
-      "geometry": {
-        "type": "Polygon",
-        "coordinates": [
-          [
-            [51.5, 12],
-            [50.487833, 9.836074],
-            [50.358618, 9.898909],
-            [50.233379, 9.969168],
-            [50.112553, 10.046605],
-            [49.996566, 10.130951],
-            [49.885824, 10.22191],
-            [49.780719, 10.319164],
-            [49.681622, 10.422375],
-            [49.588884, 10.53118],
-            [49.502838, 10.6452],
-            [49.42379, 10.764034],
-            [49.352026, 10.887265],
-            [49.287806, 11.014462],
-            [49.231365, 11.145177],
-            [49.18291, 11.278951],
-            [49.142624, 11.415312],
-            [49.11066, 11.553779],
-            [49.087142, 11.693864],
-            [49.072167, 11.835071],
-            [49.0658, 11.976901],
-            [49.068078, 12.11885],
-            [49.079005, 12.260414],
-            [49.098557, 12.401089],
-            [49.126679, 12.540375],
-            [49.163284, 12.677773],
-            [49.208255, 12.812793],
-            [49.261445, 12.944952],
-            [49.322676, 13.073774],
-            [49.391742, 13.198797],
-            [49.468406, 13.31957],
-            [49.552404, 13.435659],
-            [49.643443, 13.546643],
-            [49.741204, 13.65212],
-            [49.845343, 13.751709],
-            [49.95549, 13.845048],
-            [50.071254, 13.931797],
-            [50.192218, 14.011641],
-            [50.317949, 14.084288],
-            [50.447992, 14.149474],
-            [50.581878, 14.206959],
-            [50.719119, 14.256534],
-            [50.859217, 14.298017],
-            [51.001659, 14.331256],
-            [51.145927, 14.356129],
-            [51.291492, 14.372545],
-            [51.43782, 14.380443],
-            [51.584377, 14.379796],
-            [51.730624, 14.370604],
-            [51.876026, 14.352902],
-            [52.020051, 14.326755],
-            [52.162172, 14.292258],
-            [52.301869, 14.249539],
-            [52.438634, 14.198753],
-            [52.571968, 14.140087],
-            [52.701388, 14.073756],
-            [52.826426, 14],
-            [52.94663, 13.919091],
-            [53.061568, 13.831323],
-            [53.17083, 13.737014],
-            [53.274026, 13.636509],
-            [53.37079, 13.530172],
-            [53.460782, 13.418389],
-            [53.543687, 13.301563],
-            [53.619216, 13.180118],
-            [53.68711, 13.05449],
-            [51.5, 12]
-          ]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "explementaryAngle": 139.041735,
-        "explementaryMercatorAngle": 140.173894,
-        "explementary": true,
-        "fill": "#00F",
-        "stroke": "#00F",
-        "fill-opacity": 0.3
-      },
-      "geometry": {
-        "type": "Polygon",
-        "coordinates": [
-          [
-            [51.5, 12],
-            [54.787546, 13.574894],
-            [54.846609, 13.449936],
-            [54.900628, 13.32285],
-            [54.949533, 13.193828],
-            [54.993256, 13.063064],
-            [55.031743, 12.930753],
-            [55.064944, 12.797093],
-            [55.092818, 12.662285],
-            [55.115333, 12.526529],
-            [55.132464, 12.390028],
-            [55.144195, 12.252984],
-            [55.150515, 12.1156],
-            [55.151426, 11.97808],
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-            [55.13705, 11.703446],
-            [55.121802, 11.566736],
-            [55.101218, 11.430701],
-            [55.075335, 11.29554],
-            [55.044199, 11.161451],
-            [55.007863, 11.028631],
-            [54.966386, 10.897275],
-            [54.919835, 10.767575],
-            [54.868285, 10.639721],
-            [54.811817, 10.513899],
-            [54.750517, 10.390292],
-            [54.684482, 10.269082],
-            [54.61381, 10.150444],
-            [54.538611, 10.034551],
-            [54.458997, 9.921571],
-            [54.375087, 9.81167],
-            [54.287007, 9.705005],
-            [54.194889, 9.601733],
-            [54.098867, 9.502002],
-            [53.999084, 9.405957],
-            [53.895687, 9.313739],
-            [53.788828, 9.225479],
-            [53.678662, 9.141306],
-            [53.565351, 9.061341],
-            [53.449059, 8.985701],
-            [53.329956, 8.914495],
-            [53.208215, 8.847825],
-            [53.084012, 8.785788],
-            [52.957528, 8.728474],
-            [52.828944, 8.675965],
-            [52.698447, 8.628338],
-            [52.566224, 8.585661],
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-            [52.29737, 8.515396],
-            [52.161125, 8.48791],
-            [52.023929, 8.465577],
-            [51.88598, 8.448429],
-            [51.747475, 8.436491],
-            [51.608615, 8.42978],
-            [51.469598, 8.428306],
-            [51.330626, 8.432071],
-            [51.191897, 8.441069],
-            [51.05361, 8.455288],
-            [50.915966, 8.474707],
-            [50.779162, 8.499299],
-            [50.643394, 8.529026],
-            [50.508859, 8.563847],
-            [50.37575, 8.603712],
-            [50.244259, 8.648562],
-            [50.114576, 8.698333],
-            [49.986887, 8.752953],
-            [51.5, 12]
-          ]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "stroke-width": 4,
-        "stroke": "#222"
-      },
-      "geometry": {
-        "type": "LineString",
-        "coordinates": [
-          [48.5, 5.5],
-          [51.5, 12],
-          [59, 15.5]
-        ]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#008000",
-        "name": "start"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [48.5, 5.5]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#00F",
-        "name": "middle"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [51.5, 12]
-      }
-    },
-    {
-      "type": "Feature",
-      "properties": {
-        "marker-color": "#F00",
-        "name": "end"
-      },
-      "geometry": {
-        "type": "Point",
-        "coordinates": [59, 15.5]
-      }
-    }
-  ]
-}
diff --git a/packages/turf-bearing/index.ts b/packages/turf-bearing/index.ts
index dbe25c28c7..6d72bdc60f 100644
--- a/packages/turf-bearing/index.ts
+++ b/packages/turf-bearing/index.ts
@@ -2,7 +2,7 @@ import { Coord, degreesToRadians, radiansToDegrees } from "@turf/helpers";
 import { getCoord } from "@turf/invariant";
 
 // http://en.wikipedia.org/wiki/Haversine_formula
-// http://www.movable-type.co.uk/scripts/latlong.html
+// http://www.movable-type.co.uk/scripts/latlong.html#bearing
 
 /**
  * Takes two {@link Point|points} and finds the geographic bearing between them,
diff --git a/packages/turf-helpers/index.ts b/packages/turf-helpers/index.ts
index b53cc6bd6d..8d444160f8 100644
--- a/packages/turf-helpers/index.ts
+++ b/packages/turf-helpers/index.ts
@@ -677,9 +677,16 @@ export function bearingToAzimuth(bearing: number): number {
  * @returns {number} bearing between -180 and +180 degrees
  */
 export function azimuthToBearing(angle: number): number {
+  // Ignore full revolutions (multiples of 360)
   angle = angle % 360;
-  if (angle > 0) return angle > 180 ? angle - 360 : angle;
-  return angle < -180 ? angle + 360 : angle;
+
+  if (angle > 180) {
+    return angle - 360;
+  } else if (angle < -180) {
+    return angle + 360;
+  }
+
+  return angle;
 }
 
 /**
@@ -690,8 +697,9 @@ export function azimuthToBearing(angle: number): number {
  * @returns {number} degrees between 0 and 360 degrees
  */
 export function radiansToDegrees(radians: number): number {
-  const degrees = radians % (2 * Math.PI);
-  return (degrees * 180) / Math.PI;
+  // % (2 * Math.PI) radians in case someone passes value > 2π
+  const normalisedRadians = radians % (2 * Math.PI);
+  return (normalisedRadians * 180) / Math.PI;
 }
 
 /**
@@ -702,8 +710,9 @@ export function radiansToDegrees(radians: number): number {
  * @returns {number} angle in radians
  */
 export function degreesToRadians(degrees: number): number {
-  const radians = degrees % 360;
-  return (radians * Math.PI) / 180;
+  // % 360 degrees in case someone passes value > 360
+  const normalisedDegrees = degrees % 360;
+  return (normalisedDegrees * Math.PI) / 180;
 }
 
 /**