Interior and Exterior Angles of Polygons

Objective: I know how to calculate the interior and exterior angles of polygons.

The formula to find the sum of the interior angles of any polygon is
sum of angles = (n - 2)180° , where n is the number of sides of the polygon.

The sum of exterior angles of any polygon is 360º.

Read the lesson on angles of a polygon for more information and examples.

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