Interior and exterior angles in polygons

Select the correct values for a and m.

• a=50, m=89

• a=50, m=116

• a=105, m=89

• a=105, m=116

Match the following.

• one exterior angle measure of a regular polygon

• n

• one interior angle measure of a regular polygon

• sum of the exterior angle measure

• the number of sides of a regular polygon

• sum of the interior angle measure

Answer explanation

Be sure to add your formulas to your formula sheet. "n" represents the number of sides.