Grade7_G_Scale Drawings

Rectangle A measures 9 inches by 3 inches. Rectangle B is a scaled copy of Rectangle A. Select ALL of the measurement pairs that could be the dimensions of Rectangle B.

• 4.5 inches by 1.5 inches

• 8 inches by 2 inches

• 10 inches by 4 inches

• 13.5 inches by 4.5 inches

• 90 inches by 30 inches

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. What is the area of the actual park, in square yards?

• 35

• 200

• 1,400

• 56,000

The scale of a map says that 4 cm represents 5 km.

_____ cm on the map represents an actual distance of 10 km.

The scale of a map says that 4 cm represents 5 km.

10 cm on the map represents an actual distance of _____ km.

Tyler has two different maps of Ohio.

• - On the first map, the scale is 1 cm to 10 km. The distance from Cleveland to Cincinnati is 40 cm.

• - On the second map, the scale is 1 cm to 50 km.

The distance from Cleveland to Cincinnati on the second map is _____ cm.

True or False: Scaled copies have congruent angles.

• True

• False

True or False: If using a scale factor of 3, the perimeter of a scaled copy is triple the perimeter of the original copy.

• True

• False

True or False: If using a scale factor of 3, the area of a scaled copy is triple the area of the original copy.

• True

• False