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 formula for the sum of exterior angles in a polygon?

Back

360°

Front

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

Back

1260°

Front

Find the angle SUM of the interior angles of a polygon with 8 sides.

Back

1080°

Front

What is the formula to calculate the sum of interior angles of a polygon with n sides?

Back

(n-2) × 180°

Front

How many degrees are in each interior angle of a regular hexagon (6 sides)?

Back

120°

Front

What is the relationship between the number of sides and the sum of interior angles in a polygon?

Back

The sum of interior angles increases as the number of sides increases.

Front

What is the measure of ONE exterior angle in a regular octagon (8 sides)?

Back

45°

Front

What is the sum of the exterior angles of any polygon?

Back

360°