Interior and Exterior Angles of Polygons

Find the value of x

• 141

• 150

• 135

• 163

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

Find the sum of the angles of a 17-gon.

Mathematical Equivalence

ON

Find the value of y.

• 125

• 135

• 140

• 110

Tags

CCSS.7.G.B.5

Find x.

• 120 degrees

• 210 degrees

• 211 degrees

• 121 degrees

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

• 1440°

• 900°

• 1080°

• 1260°

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

• 90°

• 108°

• 120°

• 180°

What is the measure of ONE interior angle of a regular 20-gon?

• 90

• 146

• 162

• 122

What is the sum of exterior angles of a pentagon?

• 180

• 360

• 540

• 760

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

• 4860

• 4500

• 3700

• 2700