Finding Degrees of Polygons

Find the missing angle.

• 75

• 85

• 100

• 45

Tags

CCSS.HSG.C.A.3

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°

What is the measure of ONE interior angle in a regular triangle (3 sides)?

• 15°

• 30°

• 60°

• 90°

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

• 1440°

• 900°

• 1080°

• 1260°

What is the SUM of the INTERIOR angle measures in a triangle (3 sides)?

• 60°

• 90°

• 120°

• 180°

Tags

CCSS.8.G.A.5

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

Find the measure of angle y.

• y=65°

• y=70°

• y=60°

• y=80°

Find the value of X.

• 100

• 120

• 125

• 130

The sum of Interior Angle and Exterior angle on the same edge of a polygon is:

• 160°

• 120°

• 180°

• 113°

Find the value of X.

• 60

• 120

• 85

• 55