Easy Scale Factor

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

• BC

• AE

• CD

• DE

What is the scale factor?

• 4

• 6

• 2.5

• 1.5

What is the scale factor?

• 1

• 2

• 3

• 4

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

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

• 21

• 1.25

• 20

• 4

A scale drawing that measures 8 units wide and an original that measures 4 units wide has a scale factor of...

• 2:1

• 8:1

• bigger

• 1:2

Find missing side

• 5

• 7

• 9

• 11

Which side length corresponds with EF?

• ML

• LM

• OL

• EH

What does similar mean?

• When two figures have the same Rate of change

• Same size

• Same shape

• When two shapes have the same Scale FactorΔ

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

• 1/2

• 7/3

• 2/1

• 10/3