Perimeter of Unknown Side

What is the perimeter?

• 156 feet

• 158 square feet

• 256 feet

• 258 square feet

What is the perimeter?

• 24 inches

• 26 inches

• 40 inches

• 28 inches

How many feet will he need for the perimeter?

• 14 feet

• 42 feet

• 26 square feet

• 26 feet

Find the missing side length

• 10m

• 5m

• 25m

• 15m

An envelope from the post office is 6 inches wide and 8 inches long. What is the perimeter of the envelope?

• 48 inches

• 48 square inches

• 28 square inches

• 28 inches

An envelope is 3 inches wide with a perimeter of 30 inches. What is the length of the envelope?

• 90 inches

• 24 inches

• 12 inches

• 10 inches

What is the missing measurement? 

• 9 cm

• 18 in

• 18 cm

• 9 in 

Do you multiply or add when you find the perimeter?

• Multiply

• Add

Farmer Bob needs to build a fence for his chickens. The area he wants to build a fence around is 40 feet long and 20 feet wide. How many feet of fence does he need to buy?

• 800 feet

• 120 feet

• 60 feet

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

• 25 feet

• 50 feet

• 400 feet

• 100 feet