Perimeter and Equations

What is the formula to find the perimeter of a rectangle?

• length + width

• 2 * length * width

• 2 * length + 2 * width

• 2 * (length + width)

Tags

CCSS.3.MD.D.8

Find the perimeter of a rectangle with length 8 cm and width 5 cm.

• 18 cm

• 30 cm

• 26 cm

• 12 cm

Tags

CCSS.4.MD.A.3

What is the formula to find the perimeter of a square?

• 2s

• s^2

• 3s

• 4s

Tags

CCSS.4.MD.A.3

Find the perimeter of a square with side length 10 cm.

• 40 cm

• 20 cm

• 30 cm

• 50 cm

Tags

CCSS.4.MD.A.3

Move the correct answer to each box Each answer may be used more than once. Not all answers will be used.

The value of x is equal to ​ ​ ​ (a)   .

The perimeter of each figure is ​ (b)   .

• 2.5

• 41

• 1.96

• 2.86

• 10.25

• 44

Tags

A.5A

Move the correct answer to each box Each answer may be used more than once. Not all answers will be used. The value of x is equal to ​ ​ ​ (a)   . The perimeter of each figure is ​ (b)   .

• 2.5

• 41

• 1.96

• 2.86

• 10.25

• 44

Tags

A.5A

A rectangular table has 2 sides that equal x + 4 inches and 2 sides that equal 2x inches. The total perimeter is 56 inches. What equation can be used to solve for x?

• 56 = x + 10x

• 56 = 4x

• 56 = 8 + 6x

• 56 = 2x + 8

Find the perimeter of a rectangle with length 12 cm and width 7 cm.

• 19 cm

• 84 cm

• 26 cm

• 38 cm

Tags

CCSS.4.MD.A.3

Find the value of x.

Perimeter = 60

• x=6

• x=10

• x=66

• x=54

Tags

CCSS.3.MD.D.8

Find the perimeter of the pentagon

Tags

CCSS.3.MD.D.8