Scaling

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2

What scale factor was used to scale the rectangle?

• 1/4

• 1/3

• 3

• 4

• A

• B

• C

• D

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

• F

• G

• H

• J

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

If a scale drawing of a car is made with a scale of 1 inch to 3 feet, what is the length on the drawing of the car that is actually 15 feet long?

• 3 inches

• 5 inches

• 10 inches

• 20 inches