Interior and Exterior Angle Sum of Polygons

What is the sum of interior angles for a 27-gon?

• 4860

• 4500

• 3700

• 2700

Find the measure of one exterior angle of a regular 18-gon.

• 160°

• 360°

• 20°

• 2280°

Solve for the missing variable.

• 255°

• 90°

• 60°

• 105°

Tags

CCSS.HSG.C.A.3

What is the SUM of the angle measures in a DECAGON (10 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the sum of exterior angles of a pentagon?

• 180

• 360

• 540

• 760

Find the value of x

• 141

• 150

• 135

• 163

The sum of the exterior angles of a polygon is __________________ where n is the number of sides.

• 360

• n

• (n - 2)180

• (n - 1)180

Find the value of X.

• 90° 

• 98° 

• 100° 

• 115° 

Find x.

• 120 degrees

• 210 degrees

• 211 degrees

• 121 degrees

How do the interior and exterior angles of a polygon relate?

• They are complementary

• They are congruent

• They are supplementary

• They have no relationship