Find Missing Angle of a Polygon

Find the measure of ONE interior angle of a regular dodecagon.

• 150

• 120

• 1800

• 20

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.6.G.A.3

Find the measure of one interior angle in regular 25-gon. Round your answer to the nearest tenth if necessary.

• 164.3⁰

• 167.1⁰

• 165.6⁰

• 166.7⁰

Find the measure of ONE exterior angle of a regular decagon.

• 36

• 10

• 18

• 40

Find the measure of one exterior angle in a regular nonagon. Round your answer to the nearest tenth if necessary.

• 27.7⁰

• 60⁰

• 72⁰

• 40⁰

Find the measure of the angle x.

• 105

• 115

• 65

• 75

Find the value of X

• 94

• 25

• 36

• 180

What is the measure of ONE interior angle of a regular octagon?

• 135

• 180

• 145

• 190

What is the measure of ONE interior angle of a regular 20-gon?

• 90

• 146

• 162

• 122

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125