Scale Factor Review

What is the scale factor if the original length is 5 cm and the corresponding length in the scaled figure is 10 cm?

• 2

• 0.5

• 3

• 4

If the scale factor is 3, and the original length is 8 cm, what is the corresponding length in the scaled figure?

• 16

• 24

• 6

• 12

A rectangle has a length of 6 cm and a width of 4 cm. If the scale factor is 2, what is the area of the scaled rectangle?

• 24

• 12

• 48

• 96

If the scale factor is 0.5, and the area of the original figure is 36 square units, what is the area of the scaled figure?

• 9

• 6

• 4

• 12

A map has a scale of 1 cm = 5 km. If the distance between two cities on the map is 4 cm, what is the actual distance between the cities?

• 10 km

• 20 km

• 8 km

• 15 km

If the scale factor is 2.5, and the original length is 12 cm, what is the corresponding length in the scaled figure?

• 24

• 15

• 30

• 10

A square has a side length of 10 cm. If the scale factor is 0.8, what is the area of the scaled square?

• 100 cm^2

• 64 cm^2

• 80 cm^2

• 8 cm^2

If the scale factor is 4, and the area of the original figure is 64 square units, what is the area of the scaled figure?

• 16

• 1024

• 256

• 512

A model car is 1/24 the size of the actual car. If the length of the model car is 6 inches, what is the length of the actual car?

• 144 inches

• 72 inches

• 12 inches

• 36 inches

If the scale factor is 0.3, and the original length is 15 cm, what is the corresponding length in the scaled figure?

• 1.5

• 4.5

• 0.45

• 45