Angles of Polygons

Front

What is the SUM of the angle measures in a triangle (3 sides)?

Back

180°

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 the angle measures in a hexagon (6 sides)?

Back

720°

Front

What is the sum of exterior angles for a 27-gon?

Back

360°

Front

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

Back

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

Front

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

Back

120°

Front

What is the formula for finding the measure of one interior angle in a regular polygon?

Back

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

Front

What is the sum of the interior angles of a quadrilateral?

Back

360°

Front

What is the measure of each exterior angle of a regular pentagon?

Back

72°