Quiz 7-1

What is the sum of the degrees of the interior angles of a 19-gon?

If the sum of the interior angles of a polygon is 1800°, how many sides does it have?12

What is the measure of an interior angle of a regular nonagon?

• 145

• 140

• 135

• 157.5

What is the sum of the exterior angles of a 25-gon?

• 360

• 361

• 359

• A and B

What is the measure of each exterior angle of a regular decagon?

Find the value of x.

• 7

• 5

• 121

• 131

Tags

CCSS.8.G.A.5

Find the value of x.

Tags

CCSS.8.G.A.5

Find the value of x.

Tags

CCSS.7.EE.B.4A

Find the value of x.

Tags

CCSS.7.EE.B.4A

Given JM = 27, ML = 16, JL = 46, NK = 15, m∠KLM = 48°, m∠JKM = 78°, and m∠MJL = 22°, find each missing value.

• 27

• JK

• 23

• MK

• 16

• KL

• 30

• NL

Tags

CCSS.HSG.CO.C.10