Scale Factor and Scale Drawings

Which pairs of corresponding sides are proportional?

• The bottom of each shape because 4 times 3 is 12

• The right side of each shape because 4 times 3 is 12

• The left side of each shape because 4 times 3 is 12

• The slanted line on the left because 2.2 times 3 is 6.6.

• The slanted line on the right because 2.2 times 3 is 6.6

The building was drawn using a scale of 1 inch = 80 feet. The height of the drawing is 22.2 inches. What is the actual height of the One World Trade Center.

• 1448 feet

• 1248 feet

• 1776 feet

You are using a road map for your trip with a scale of

2.5 inches = 200 miles. If the distance on the map from Albany to Chicago is 10.2 inches, what is the actual distance in miles?

• 2,040 miles

• 1,020 miles

• 816 miles

• PQ

• RQ

• QR

• QP

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, how far apart are they?

• 87 km

• 216 km 

• 33 km

• 192 km

If the actual dimensions of the kitchen are 24 ft. by 24 ft., what is the scale of the drawing?

• 1cm : 9ft

• 1cm : 8ft

• 4cm : 1ft

• 1cm : 4ft

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 scale drawing of a park measures 5 cm by 7 cm. If the scale of the drawing is 1 cm to 8 meters, what are the actual dimensions of the park?

• 40 meters by 56 meters

• 8 meters by 56 meters

• 5 meters by 7 meters

• 10 meters by 14 meters

A classroom's actual dimensions are 12 meters by 15 meters. If a scale drawing of the classroom is to be made with a scale of 1 cm to 3 meters, what should be the dimensions of the drawing?

• 4 cm by 5 cm

• 3 cm by 5 cm

• 6 cm by 10 cm

• 4 cm by 6 cm

Given a scale factor of 1:50, what is the actual length of a wall that appears as 3 cm on a scale drawing?

• 150 cm

• 150 m

• 50 cm

• 50 m