Interior and Exterior Angle of Polygons

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

Solve for a.

• 90°

• 180°

• 270°

• 80°

Solve for the missing variable.

• 255°

• 90°

• 60°

• 105°

What is the sum of interior angles for a 27-gon?

• 4860

• 4500

• 3700

• 2700

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

• 160°

• 360°

• 20°

• 2280°

Find the angle sum of the interior angles of the polygon.

• 180° 

• 540° 

• 720° 

• 1080° 

What is the sum of exterior angles for a 27-gon?

• 4860

• 4500

• 360

• 270

Find the value of X.

• 90° 

• 98° 

• 100° 

• 115°