Similar Figures Area and Perimeter

The ratio of the figures is 8:5. Find the missing measure. 

• x = 25.6

• x = 25

• x = 43

• x = 23

The playing surfaces of two foosball tables are similar. The ratio of the corresponding side lengths  is 10:7. What is the ratio of the areas? 

• 200: 494

• 100 : 28

• 832 : 48

• 100 : 49

A rectangular school banner has a length of 44 inches, a perimeter of 156 inches, and an area of 1496 square inches. The cheerleaders make signs similar to the banner. The length of a sign is 11 inches. What is its perimeter and its area?

• Perimeter: 34 in
  Area: 58 in^₂

• Perimeter: 39 in.
  Area: 93.5 in²

• Perimeter: 15 in
  Area: 67 in²

• Perimeter: 54 in
  Area: 834 in ²

Tags

CCSS.7.G.A.1

The figures are similar. Find x. 

• 18.5

• 30.5

• 20.5

• 16.5

Tags

CCSS.HSG.SRT.A.2

Find the ratios (red to blue) of the perimeter and the area.

• Perimeter : 4/7
  Area: 16/49

• Perimeter: 15/8
  Area: 30/16

• Perimeter: 40/4
  Area: 19/15

• Perimeter: 18/40
  Area: 15/30

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

Tags

CCSS.HSG.SRT.A.2

Find the missing area. 

• 0

• 12

• 24

• 30

Find the missing area.

• 15

• 20

• 25

• 30

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2