Polygon Angle Measures

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

• 120

• 60

• 150

• 180

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the value of x

• 87°

• 54°

• 101°

• 92°

Tags

CCSS.HSG.CO.C.11

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

Find the sum of the interior angles in a 15-gon

• 2000

• 2340

• 1875

• 1080

What is the measure of each exterior angle for the following heptagon?

• 360

• 900

• 51.429

• 128.571

What is the measure of each interior angle of an octagon?

• 135

• 1080

• 360

• 45

Solve for the missing angle with the question mark. 

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

Determine the measure of the indicated angle.

• 92°

• 94°

• 42°

• 47°

Tags

CCSS.8.G.A.5