Interior and Exterior Angles of Poly

Find the measure of the angle x.

• 105

• 115

• 65

• 75

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°

• 108°

• 120°

• 180°

Find the sum of the angles of a 17-gon.

Mathematical Equivalence

ON

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°

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

• 180° 

• 540° 

• 720° 

• 1080° 

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