Students will practice working with the formula for interior angles of regular polygons. This worksheet includes many practice problems including an 'extend your thinking' bonus problem at the sheet's end..

1) Find the sum of the degree of the measures of the interior angles of a regular polygon that has 8 sides.
2) Find the sum of the degree of the measures of the interior angles of a regular polygon that has 16 sides.

This is a 4 part worksheet.