Interior and Exterior Angles of Polygons

Front

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

Back

108°

Front

What is the formula to find one exterior angle in a regular polygon?

Back

360/n

Front

How do the interior and exterior angles of a polygon relate?

Back

They are supplementary.

Front

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

Back

(n-2) × 180°.

Front

What is the measure of ONE exterior angle in a regular hexagon (6-sides)?

Back

60°.

Front

If a polygon has 8 sides, what is the measure of one interior angle?

Back

135°.

Front

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

Back

The sum of the exterior angles is always 360°.

Front

If one interior angle of a regular polygon is 120°, how many sides does it have?

Back

6 sides.

Front

What is the measure of the interior angle of a regular octagon (8-sides)?

Back

135°.

Front

If the exterior angle of a polygon is 45°, how many sides does it have?

Back

8 sides.