Interior and Exterior Angles of Polygons

Front

What is the name of a 7 sided polygon?

Back

Heptagon

Front

Find the angle sum of the interior angles of a polygon with 7 sides.

Back

720°

Front

What is the measure of ONE interior angle of a regular 20-gon?

Back

162°

Front

What is the sum of exterior angles of any polygon?

Back

360°

Front

What is the SUM of the angle measures in a nonagon (9 sides)?

Back

1260°

Front

How do you calculate the sum of the interior angles of a polygon?

Back

(n - 2) × 180°, where n is the number of sides.

Front

What is the measure of ONE interior angle of a regular pentagon?

Back

108°

Front

What is the measure of ONE interior angle of a regular hexagon?

Back

120°

Front

What is the measure of ONE interior angle of a regular octagon?

Back

135°

Front

What is the measure of ONE interior angle of a regular decagon?

Back

144°