Perimeter with Missing Lengths

Perimeter= 42 inches. Side lengths are 12in, 7in, 21in. What is the length of the missing length? 

• 40

• 2

• 4

• 5

What is the perimeter of the fence?

• 25

• 30

• 35

• 40

What is the missing measurement? 

• 9 cm

• 18 in

• 81 cm

• 18 cm

Perimeter= 42 inches. Side lengths are 12in, 7in, 21in. What is the length of the missing length? 

• 3 inches

• 2 inches

• 4 inches

• 1 inch

A square garden has a perimeter of 100 feet.  What is the length of each side?

• 25 feet

• 50 feet

• 400 feet

• 100 feet

Find the perimeter

• 25 cm

• 35 cm

• 50 cm

• 100 cm

If the perimeter of a triangle is 8, and it has sides of 3 and 4, what is the third side?

• 2

• 1

• 3

• ⁴

What is the perimeter of this rectangle? 

• 60 in

• 34 cm

• 60 cm

• 34 in

What is the perimeter of this polygon?

• 39 in

• 24 in

• 105 in 

• 49 in

The distance around an object is called the 

• area

• perimeter

• a fence

• our classroom