Scale Models and Similarity

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

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

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft

• 7.5 ft 

• 4.5 ft

• 45 in

What is the scale of a drawing where a 6 m wall is 4 cm long?

• 1 cm = .66 m

• 1 cm = 1.5 m

• 1 cm = 3 m

• 1 cm = 4 m

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft

• 7.5 ft 

• 4.5 ft

• 45 in

Tell whether each scale reduces, enlarges, or preserves the size of an actual object.
10 ft:24 in. 

• reduces

• enlarges

• preserves

Tell whether each scale reduces, enlarges, or preserves the size of an actual object.
20 cm:1000 mm

• reduces 

• enlarges 

• preserves

Change both measurements to the same unit of measure, and find the scale factor.
1 ft model of a 1 in. fossil 

• 12/1

• 6/1

• 18/1

• 24/1

A scale model of a house is 1 ft long. The actual house is 36 ft long. In the model, the door is 2 in. high. How many feet high is the actual door?

• 12 feet

• 6 feet

• 18 feet

• 4 feet