Polygon Unit Review

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 hexagon (6 sides)?

• 60°
• 80°
• 108°
• 120°

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

• 180° 
• 540° 
• 720° 
• 1080° 

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

• 720° 
• 900° 
• 1080° 
• 1260° 

Find the missing angle.

• 75
• 85
• 100
• 45

Tags

CCSS.HSG.C.A.3

What is the measure of each interior angle of a Regular Polygon?

• S = (n-2)*180

• S = ((n-2)*180)/n

• S = (n-2)*360

• 360/n

What is the measure of ONE interior angle of a regular octagon?

• 135

• 180

• 145

• 190

What is the sum of exterior angles of a pentagon?

• 180
• 360
• 540
• 760

Solve for the missing variable.

• 255°

• 90°

• 60°

• 105°

Solve for a.

• 90°

• 180°

• 270°

• 80°