Geometry Chapter 7 Test

A model of a lighthouse has diameter 8 inches and height 18 inches. If the actual diameter of the lighthouse is 20 feet, find its actual height.

• 30 ft

• 35 ft

• 45 ft

• 50 ft

Tags

CCSS.6.RP.A.3B

A 6-foot-tall fence post cast a 2 $\frac{1}{2}$  -foot shadow. At the same time, a nearby clock tower cast a 35-foot shadow. What is the height of the tower?

• 37  $\frac{1}{2}$  ft

• 71 ft

• 78 ft

• 84 ft

Tags

CCSS.HSG.SRT.B.4

Solve the proportion  $\frac{6}{9}=\frac{x}{153}$  

• 102

• 229.5

• 30.3

• Not proportional

Tags

CCSS.7.RP.A.2A

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• Not similar

Tags

CCSS.HSG.SRT.B.5

Find x.

• 54/7
• 56/3
• 11
• 21/2

Tags

CCSS.HSG.SRT.B.4

Solve for the variable x.

• x = 16.8
• x = 26.25
• x = 8.6
• x = 2.4

Tags

CCSS.HSG.CO.C.9

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in
• 2 in.
• 4 in
• 1 in

Tags

CCSS.7.G.A.1

Find the slope of the line.

• -2
• 2
• -1
• 1

Tags

CCSS.8.EE.B.5

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.6.RP.A.3B

What is the scale factor?

• 4

• .5

• 5

• 6

Tags

CCSS.7.G.A.1