Sum of Angles on a Polygon

Find the sum of the interior angles for the polygon.

Find the sum of all the exterior angles of the polygon.

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

• 1440°

• 900°

• 1080°

• 1260°

Find the value of X.

• 100

• 120

• 125

• 130

Tags

CCSS.3.MD.D.8

What is the sum of the interior angles for a 24-gon?

• 3960

• 360

• 15

• 4280

If the sum of the interior angles is 3600°, what is the name of the polygon?

• 15-gon

• 18-gon

• 22-gon

• decagon

Find the value of X.

• 60

• 120

• 85

• 55

Solve for x. 

• 12

• 10

• 25

• 5

What is the exterior angle sum of ALL polygons?

• ^90o

• 180^o

• 270^o

• 360^o

Find the measure of angle K.

• 9

• 97°

• 48°

• 79°