Angles of Polygons

What is a regular polygon?

• all angles and sides are different measures

• all angles and sides are the same (equal in measure)

• only some side lengths are the same

• all side lengths are different

A regular polygon has an interior angle sum of 2520°. How many sides does it have

• 16

• 14

• 12

• 15

What is the sum of the exterior angles of a triangle?

• 180°

• 90°

• 360°

• 60°

Solve for x

• 45
• 12
• 90
• 2

Find the measure of angle E.

• 9

• 97

• 48

• 79

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

• 60°

• 80°

• 108°

• 120°

Find the value of y.

• 125
• 135
• 140
• 110

Find the value of the variables.

• x = 50°, y = 69°

• x = 100°, y = 50°

• x = 100°, y = 69°

• x = 50°, y = 50°

What is the sum of the exterior angles of a decagon?

• 1800°

• 180°

• 360°

• 1440°

One exterior angle of a regular polygon has a measure of 9°. How many sides does the polygon have?

• 40

• 30

• 20

• 50