Geometry Chapter 8: Polygon Angle Measures

What is the sum of the Exterior angles of a Polygon?

• 360/n
• S = (n-2)360
• S = (n-2)180
• 360

What is the measure of each exterior angle of a 20-gon?

• 14°
• 15°
• 17°
• 18°

If the exterior angle of a regular polygon measures 9°, now many sides does the polygon have?

• 40
• 20
• 10
• 15

Solve for x

• 45
• 12
• 90
• 2

What is an exterior angle of a regular 67-gon?

• 5.4

• 11700

• 3.2

• 113

Find the value of X.

• 60
• 120
• 85
• 55

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

• 90°
• 108°
• 120°
• 180°

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

A regular polygon has an INTERIOR angle with a measure of 60.  How many sides does it have?

• 6
• 120
• 3
• 60