Scale Factor and Actual Distance

An area rug is 9 feet wide. In a photograph, the image of the rug is 3 inches wide. What is the scale of the model?

• one inch = 3 feet

• one inch = .33 feet

• one inch = 36 inches

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

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

If the scale factor is 4, what is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m

What is the scale factor?

• 4

• 25

• 5

• 6

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

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

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

Use the diagram to the right to determine the distance across  Catfish Lake. Assume the triangles are similar. 

• 6.75 km

• 4.1 km

• 2 km

• 3 km

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