Scale Factor

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet

• 16 feet 

• 10 feet

• 4 feet

Tags

CCSS.7.G.A.1

A model of a flagpole has a scale of 1 in.= 4 ft. If the model pole measures 12 inches, how tall is the actual pole?

• 16 feet

• 3 feet

• 48 feet

• 9 feet

Tags

CCSS.7.RP.A.2C

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in 

• 7 in

• 42 in

• 56 in

Tags

CCSS.7.G.A.1

From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.

• 300 miles

• 1000 miles

• 900 miles

• 600 miles

Tags

CCSS.7.RP.A.2C

The length of a model of a couch is 8 inches, the width of the same model is 4 inches. Using the scale factor 1/6, find the length and width of my actual couch.

• Length: 48 inches
  Width: 24 inches

• Length: 7 inches
  Width: 10 inches

Tags

CCSS.7.G.A.1

The scale on a map is 1 inch = 200 miles. Smithville is 4.5 inches from Baytown on the map. What is the actual distance in miles between Smithville and Baytown?

• 44.4 miles

• 48.8 miles

• 90 miles

• 900 miles

Tags

CCSS.7.RP.A.2C

James is completing a scale model of a car that is 9 feet long and 6 feet wide. He uses a scale of 1 inch = 2 feet. What are the dimensions of the scale model?

• 4.5 inches by 3 inches

• 4.5 inches by 3.5 inches

• 4.25 inches by 3 inches

• 4 inches by 3 inches

Tags

CCSS.7.G.A.1

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4