Scale Factor Word Problem

Which TWO scale factors would result in a reduction?

• 1.90

• 0.35

• 0.65

• 3

What is another word for constant of proportionality?

• x variable

• scale factor

• y variable

• fraction

Solve the word problem: A model car is 6 inches long and the actual car is 18 feet long. What is the scale factor of the model to the actual car?

• 6

• 24

• 36

• 12

Calculate the scale factor between two similar figures if the length of one side in the first figure is 4 cm and the corresponding side in the second figure is 8 cm.

• 10

• 2

• 4

• 6

Apply the scale factor of 3 to a figure with a side length of 5 cm. What will be the new length of the side?

• 15 cm

• 10 cm

• 20 cm

• 8 cm

Find the missing side length in a figure given the scale factor and the length of a corresponding side. If the scale factor is 2 and the known side length is 6 cm, what is the missing side length?

• 12 cm

• 3 cm

• 8 cm

• 15 cm

Determine the scale factor between two similar rectangles if one rectangle has side lengths of 10 cm and 15 cm, and the other rectangle has side lengths of 20 cm and 30 cm.

• 5

• 3

• 25

• 2

Calculate the scale factor between two similar triangles if one triangle has side lengths of 8 cm, 12 cm, and 15 cm, and the other triangle has side lengths of 16 cm, 24 cm, and 30 cm.

• 10

• 6

• 2

• 4

Apply the scale factor of 4 to a figure with a side length of 3.5 cm. What will be the new length of the side?

• 7 cm

• 14 cm

• 18 cm

• 10.5 cm

Find the missing side length in a figure given the scale factor and the length of a corresponding side. If the scale factor is 5 and the known side length is 9 cm, what is the missing side length?

• 14 cm

• 20 cm

• 45 cm

• 30 cm