Area of Scale Copies

What is the scale factor?

• 4

• 25

• 5

• 6

Identify the side length in Figure 1 that corresponds to the side length MQ in figure 2.

• BC

• AE

• CD

• DE

Is Figure B a scaled copy of Figure A?

• Yes

• No

If the scale factor is 4, what is the measurement of slide length x?

• 21

• 1.25

• 20

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

• 21

• 1.25

• 20

• 4

A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.

• 8,010 feet

• 5,340 feet

• 12,015 feet

Triangle DGF is a scale copy of Triangle EGD. Find the value of x.

• 4.8

• 6.4

• 7.5

• 8

What is the scale factor from the original triangle to its copy?

• 1/2

• 1/3

• 1/4

• 1/5

What is the scale factor that relates figure A to figure B?

• 1/2

• 1/3

• 3

• There is no scale factor--the figures are not scale copies

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3