Proportions and Similar Figures

Solve for x

• 1/2
• 25/8
• 11
• 53/4

What side corresponds with AB? 

• BC
• FE
• DE
• FD

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Solve for b 

• 8
• 17/12
• 4/3
• 1/8

To find the height of a very tall pine tree, you measure your shadow and the tree's shadow.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

The ratio of the side length of Square A to the side length of Square B is 4:9.  The side length of square A is 12 yards.  What is the perimeter of square B?

• 18 yd
• 108 yd
• 27 yd

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75
• p/100=12/75
• p/12=75/100
• p/75=12/100

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

The measures of the angles in a triangle are in the extended ratio of 4:3:2.  What is the measure of the largest angle?

• 20 degrees
• 60 degrees
• 90 degrees
• 80 degrees

Solve the proportion.

• -3 or -4
• 3 or 4
• -3 or 4
• 3 or -4