Mathwords: Exterior Angle of a Polygon

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Exterior Angle of a Polygon

An angle between one side of a polygon and the extension of an adjacent side.

Note: The sum of the exterior angles of any convex polygon is 360°. This assumes that only one exterior angle is taken at each vertex.

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
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