Geo Quiz Review

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

• 1440°
• 900°
• 1080°
• 1260°

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Find the value of X.

• 100
• 120
• 125
• 130

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

What is a regular polygon?

• all side lengths are the same length

• all angles are the same (equal in measure)

• only some side lengths are the same

• all side lengths are different

• only some angles are the same

Find the measure of one interior angle in each regular polygon. Round your answer to the

nearest tenth if necessary.

• A

• B

• C

• D

Find the measure of one interior angle in each regular polygon. Round your answer to the

nearest tenth if necessary.

• A

• B

• C

• D

Find the measure of angle K.

• 9

• 97°

• 48°

• 79°

The following polygon is a Regular Pentagon. Find the measure of EACH EXTERIOR angle of the polygon.

• 50°

• 55°

• 72°

• 355°

Find the value of y.

• 125
• 135
• 140
• 110