Find the Missing Interior and Exterior Angle of Polygons

Find the measure of the angle x.

• 105

• 115

• 65

• 75

Find the missing angle.

• 75

• 85

• 100

• 45

Tags

CCSS.HSG.C.A.3

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 value of x?

• 26.25

• 38.75

• 24

• 25.125

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

• 90

• 146

• 162

• 122

Solve for a.

• 90°

• 180°

• 270°

• 80°

Solve for the missing variable.

• 255°

• 90°

• 60°

• 105°

Find the measure of one exterior angle of a regular 18-gon.

• 160°

• 360°

• 20°

• 2280°

• 94

• 124

• 90