Polygon Angle Measure

The polygon is a regular polygon. Find the value of x.

• 120

• 360

• 180

• 60

The polygon is a regular polygon. Find the value of y.

• 120

• 360

• 180

• 60

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have?

• 7

• 9

• 10

• 12

Solve for x. Use (n-2)180 to determine what to set the equation equal to.

• 120

• 60

• 150

• 180

Solve for the missing angle with the question mark. 

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the value of x

• 87°

• 54°

• 101°

• 92°

Find the value of x

• 141

• 150

• 135

• 163

Find the value of one angle measurein a pentagon

• 108

• 60

• 120

• 135

What is the sum of the exterior angles of a decagon

• 1440

• 360

• 540

• 720