7th Unit 11 Test

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

The figure is a regular decagon. One of the exterior angles is labeled a, and one of the interior angles is labeled b.

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

The figure is a regular decagon. One of the exterior angles is labeled a, and one of the interior angles is labeled b.

What is the measure of each interior angle?

Tags

CCSS.4.MD.C.6

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Use Distributive Property to simplify:

−3(x − 4)

Tags

CCSS.6.EE.A.3

Tags

CCSS.6.EE.A.3

The triangles are similar. Find the length of x.

Dimensions are in centimeters.

Tags

CCSS.HSG.SRT.A.2

What is the scale factor from the smaller triangle to the larger triangle?

• 3

• 2.85

Tags

CCSS.7.G.A.1