Angles of Polygons

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

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.6

Find the angle SUM of the interior angles of the polygon.

• 180°

• 540°

• 720°

• 1080°

Tags

CCSS.7.G.B.6

Find the value of X

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

Find the value of y.

• 125
• 135
• 140
• 110

Tags

CCSS.7.G.B.5

What is the SUM of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162