Perimeter of Squares and Rectangles

The rectangle has a missing side labeled b cm. The perimeter of the shape is labeled inside. Find the unknown side length for the shape.

• 9 cm

• 6 cm

• 15 cm

• 30 cm

Joe puts two squares together to make a rectangle. What is the perimeter of the new rectangle when the sides of the squares are 8 inches?

• 48 in.

• 33 in.

• 64 in.

• 8 in.

What is the length and width, and the area of a shape that has a perimeter of 12 centimeters?

• L = 1 cm., W = 5 cm, A = 5 sq. cm.

• L = 2 cm., W = 4 cm, A = 8 sq. cm.

• L = 3 cm., W = 3 cm, A = 9 sq. cm.

• All of the answers are correct.

Mrs. Smith puts food on a rectangular table. The perimeter of the table is 18 ft. The width of the table is 3 ft. What is the length of the table?

• 6 ft.

• 3 ft.

• 18 ft.

• 9 ft.

What is the perimeter of this shape?

• 20 cm

• 9 cm

• 18 cm

• 10 cm

Q1. How long is the object?

• A) 30 inches

• B) 42 inches

• C) 216 inches

• D) 60 inches

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

• 80 feet

What is the perimeter of the classroom floor?

• 6 m

• 48 m

• 8 m

• 35 m

What is the area of a rectangle if the perimeter is 32 meters and the length is 10 meters?

• 48 square meters

• 56 square meters

• 64 square meters

• 72 square meters

Farmer Bob's son built a track to walk his pet pig. The track goes around the pig pen. The pig pen is 15 feet long and 21 feet wide. If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

• 72 square feet