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Polygon angle sum theorems. 3-4. Polygon angle sum theorem. Example. Solve for x. Polygon exterior angle sum theorem. Polygon exterior angle sum theorem. The sum of all exterior angles in a polygon is always 360. Regular Polygonss.
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Example • Solve for x
Polygon exterior angle sum theorem • The sum of all exterior angles in a polygon is always 360
Regular Polygonss • An equilateral polygon has all sides congruent. An equiangular polygon has all angles congruent. A regular polygon is both equilateral and equiangular.
Example • Find the measure of the interior and exterior angles of a regular hexagon.
Homework • Pg 147 #1-7, 11-21, 32, 33, 47, 48