Missing Side Length Perimeter

Find the missing sides.

• A=4
  B=7
  C=12

• A=3
  B=7
  C=12

• A=13
  B=5
  C=12

• A=7
  B=7
  C=10

Find the perimeter. 

• Perimeter = 48 units

• Perimeter = 59 units

• Perimeter = 58 units

• Perimeter = 61 units

Find the missing sides.

• A =5
  B = 5

• A = 4
  B = 6

• A=7
  B=7

• A = 2
  B= 3

Find the perimeter.

• Perimeter = 30 units

• Perimeter = 28 units

• Perimeter = 38 units

• Perimeter = 36 units

Find the missing sides. 

• A=11
  B=12

• A=11
  B=13

• A=12
  B= 10

• A=11
  B=11

Find the perimeter.

• Perimeter = 80 units

• Perimeter = 84 units

• Perimeter = 74 units

• Perimeter = 85 units 

A triangular sign has a perimeter of 70 inches. Two of the sides are each 19 inches. What is the length of the 3rd side in inches?

• 32

• 89

• 51

• A triangle has 3 sides.

A triangular puzzle has a perimeter of 99 centimeters. Two of the sides are each 37 centimeters long. How long is the missing side?

• 136 cm

• 62 cm

• 25 cm

• 25 inches

Find the missing side length! What is the perimeter?

First find the missing sides. Then find the perimeter. What is the perimeter?

• 26 inches

• 38 inches

• 36 inches

• 25 inches