Scale Factor Proportions

Solve for x.

• 12

• 18

• 9

• 36

What is the scale factor from ΔDEF to ΔABC?

• 2

• 3/2

• 2/3

• 1/2

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

• x = 20

• x = 12

• x = 5

• x = 4

Solve:

• 6

• 7

• -8

• -5

Solve the equation for x:

• 17

• 16

• 15

• 14

Solve the proportion:

• 15

• 5

• 10

• 12

Complete each proportion.
AB / BM  =  ? / CD

• BC

• AC

• MD

• MC

What is ratio of any two corresponding sides?

• Scale Factor

• Corresponding Sides

• Similar Figures

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

The two polygons are similar. Solve for x.

• 8

• 6

• 10

• 12