Scale Factor from A to B

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

• 3

• 4

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

• 1/2

• 7/3

• 2/1

• 10/3

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

• 1/2

• 2/3

• 3/4

• 2

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

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

• 2

• 3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

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