Simple Scale Factor

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

What is the scale factor from the large triangle to the small triangle?

• 1/2

• 2/3

• 3/4

• 2

What is the scale factor from the smaller quadrilateral to the larger?

• scale factor = 4

• scale factor = 10

• scale factor = 3

• scale factor = 2

A ~ B. What is the scale factor of the dilation of A to B?

• 3

• 4

Which figure is similar?

• A

• B

• C

• D

The diagram shows a rectangle that is 4 in by 7 in in measure.

Which is the measure of a rectangle that is similar to the rectangle above?

• 4 in x 17 in

• 24 in x 42 in

• 7 in x 10 in

• 5 in x 8 in

The diagram shows a rectangle that is 3 cm by 5 cm in measure.

Which is the measure of a rectangle that is similar to the rectangle above?

• 10.5 cm x 17.5 cm

• 6 cm x 8 cm

• 4 cm x 6 cm

• 4.5 cm x 8 cm

The diagram below shows a rectangle that is 9 m by 15 m in measure. Which is the measure of a rectangle that is similar to the rectangle above?

• 14 m x 20 m

• 45 m x 75 m

• 18 m x 31 m

• 6 m x 12 m

Find the value of x.

• 12

• 9

• 10

• 15