Do Now. Section 8.2 Angles in Polygons Polygon Interior Angles Theorem The sum of the measures of the interior angles of a convex polygon with n sides.

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Presentation transcript:

Do Now

Section 8.2 Angles in Polygons

Polygon Interior Angles Theorem The sum of the measures of the interior angles of a convex polygon with n sides is (n – 2) · 180˚. Example: Find the sum of the measures of the interior angles of the polygon.

Practice: Find the sum of the measures of the interior angles.

Finding interior angle measures.

Practice: Find the measure of  A.

Polygon Exterior Angles Theorem The sum of the measures of the exterior angles of a convex polygon, one angle at each vertex, is 360˚. Example: Find the value of x.

Practice: Find the value of x.

Homework P421, #8-24 even