Diagonals Interior and Exterior Angles of Polygons

An interior angle of a regular polygon measures 135⁰.  How many sides does the polygon have?

• 8

• 6

• 4

• 10

An exterior angle of a regular polygon measures 36°.  How many sides does the polygon have? 

• 10

• 5

• 14

• 45

Find the value of x

• 141

• 150

• 135

• 163

What is the measure of one exterior angle of a regular octagon?

• 360⁰

• 45⁰

• 1080⁰

• 135⁰

Find the value of x.

• 138

• 540

• 64

• 128

What is the measure of one interior angle in a regular 16-gon?

• 22.5⁰

• 2520⁰

• 157.5⁰

• 360⁰

Four angles of a pentagon are 110, 120, 67, and 50.  What is the measure of the 5th angle?

• 13

• 70

• 80

• 193

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

Find the value of X.

• 100

• 120

• 125

• 130

What is the measure of one interior angle of a regular 45-gon?

• 180°

• 360°

• 172°

• 8°