8.1 Quiz Review

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

• 1440°

• 900°

• 1080°

• 1260°

What is the SUM of the measures of the interior angles in a hexagon (6 sides)?

• 720°

• 1080°

• 600°

• 540°

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

• 60°
• 90°
• 120°
• 180°

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

• 90°
• 108°
• 120°
• 180°

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

• 60°
• 80°
• 108°
• 120°

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Find the missing angle.

• 75
• 85
• 100
• 45

Find the value of X

• 94
• 25
• 36
• 180

What is the SUM of the INTERIOR angles of a 12-gon?

• 3600
• 1800
• 2160
• 12

What is the SUM of the EXTERIOR angles of a hexagon?

• 360
• 120
• 60
• 720