Ratios, Proportions, and Similar Polygons

The ratio 5:15 simplifies to...

• 1:3

• 3:1

• 1:5

• 3:5

Solve the proportion.

• 20

• 7

• 22

• 11

Solve for x. The two figures are similar.

• x = 6

• x = 9

• x = 7

• x = `0

Find x and y.

• 4, 24

• 9, 12

• 6, 8

• A
• B
• C
• D

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 2:5

• 5:3

• 3:5

• 2:3

Solve for the unknown in the equivalent ratios.
3/4 = 9/?

• 8

• 10

• 4

• 12

Solve for x:     6/12 = x / 6

• 36

• 2

• 12

• 3

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

• 6:5

• 5:6

• 6:11

• 6:11

What is the ratio of circles to squares?

• 3:1

• 2:1

• 1:2

• 5:3