Interior and Exterior Angles of Polygons

What is the measure of EACH EXTERIOR angle of a regular 67-gon?

• 5.4

• 11700

• 3.2

• 113

What is the measure of ONE interior angle in a regular pentagon (all sides and angles are congruent)?

• 90°

• 108°

• 120°

• 180°

What is the measure of ONE interior angle in a regular hexagon (all sides and angles are congruent)?

• 60°

• 80°

• 108°

• 120°

Solve for a.

• 90°

• 180°

• 270°

• 80°

Find the missing angle.

• 75

• 85

• 100

• 45

Tags

CCSS.HSG.C.A.3

If the sum of the interior angles of a polygon is 1,980° , how many sides does it have?

• 13

• 14

• 15

If an interior angle of a regular polygon measures 144°, how many sides does it have?

• 8

• 9

• 10

If an exterior angle of a regular polygon measures 15°, how many sides does it have?

• 23

• 24

• 25

Solve for x

• 15

• 16

• 17

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 22

• 24

• 26