Scale Factor Review

Using this scale drawing, what is the real length of the side that measures 10 inches?

• 10

• 30

• 50

• 90

Match the following

• When the scale factor is less than one

• Scale

• When the scale factor is greater than one

• Area

• Length multiplied by width

• Smaller

• A way of increasing or decreasing the size of an object without losing proportion

• Scale Factor

• The number you multiply by in determining scale

• Larger

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

The scale of a map says that 6 cm represents 15 km.What is the actual number of kilometers that is represented by 4 cm on the map?

• 6 km

• 13 km

• 12 km

• 10 km

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot?

• 63 m

• 235 m

• 315 m

• 630 m

A to-scale figure of the space station is 4 inches long. If you know the scale for the space station is 1 inch to 5 yards, how long is the actual space station?

• 20 inches

• 20 yards

• 15 inches

• 25 yards

Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters. Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?

The width of the parking lot is shorter than the length. The width of the actual parking lot is 48 feet. How many feet of the parking lot are represented by 1 centimeter on the scale drawing?

• 15

• 16

• 3.75

• 153.6

The width of the actual parking lot is 48 feet. Based on the scale drawing, what is the length, in feet, of the actual parking lot?

• 40.96

• 192

• 4

• 195