1. Do Now

2. Section 8.2 Angles in Polygons

3. 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.

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

5. Finding interior angle measures.

6. Practice: Find the measure of  A.

7. 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.

8. Practice: Find the value of x.

9. Homework P421, #8-24 even