Ratio and Proportions Practice

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

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

• x = 12

• x = 3

• x = 40

• x = 4

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

• x = 20

• x = 12

• x = 5

• x = 4

Which proportion will NOT correctly solve h?

Which proportion will NOT find the height of the tree?

Simplify 30 : 45

• 5 : 9

• 2 : 3

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

• x = 1/24
• x = 29
• x = 28
• x = 3/2

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x

• Yes;  y=3x

• Yes;  y=5x 

• No

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento

• Velveeta