Angles of Polygons

Front

What is the sum of the angle measures in a hexagon (6 sides)?

Back

720°

Front

What is the name of a polygon if one interior angle measures 140°?

Back

Nonagon

Front

What is the measure of one interior angle in a regular pentagon (5 sides)?

Back

108°

Front

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

Back

135°

Front

What is the sum of exterior angles for any polygon?

Back

360°

Front

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

Back

(n - 2) × 180°

Front

What is the measure of one exterior angle in a regular polygon with n sides?

Back

360° / n

Front

If a polygon has 12 sides, what is the sum of its interior angles?

Back

1800°

Front

What is the measure of each interior angle in a regular hexagon?

Back

120°

Front

What is the measure of one interior angle in a regular decagon (10 sides)?

Back

144°