Scale Factor and Scale Drawing

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

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

• 21

• 1.25

• 20

Megan drew a scale drawing of a house and its lot. The scale she used was 1 inch = 2 feet. The backyard is 78 feet long in real life. How long is the yard in the drawing?
____ = ____

• 39 inches

• 156 inches

• 38 inches

• 157 inches

Which of the following is a scaled copy of figure A?

• B

• C

• D

A scale factor greater than one creates ....

• a reduction

• an enlargement

• an exact copy

• none of these

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 7 km

• 5 km

• 15 km

• 17 km 

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?

• 87 km

• 216 km 

• 33 km

• 192 km