Perimeter

If you had to build a fence around your back yard, which measure would you use to find the amount of fencing needed?

• Circumference

• Volume

• Perimeter

• Area

What is the perimeter of a square with an area of 9 square feet?

• 12 feet

• 81 feet

• 36 feet

• 18 feet

Enid has a rectangular bedspread that measures 80 inches by 54 inches. She wants to sew a fringe around the edge of the bedspread.

How much fringe does she need in inches?

• 134

• 188

• 214

• 268

The length of a rectangular field is 65 meters. Its width is 35 meters. Joni ran around the field 4 times. How far did she run?

• 800 meters

• 600 meters

• 1,000 meters

• 1,125 meters

Wade built a fence around a rectangular section of his backyard. The length of the section is 20 feet and the width is 5 feet. What is the perimeter of the fenced section?

• 10 feet

• 50 feet

• 75 feet

• 100 feet

Nathan is measuring a square tile. One side of the tile is 3 inches. What is the perimeter of the tile?

• 12 inches

• 9 inches

• 6 inches

• 3 inches

Which of the following formulas, or rules, cannot be used to calculate the perimeter of a rectangle?

• P = l + w + l + w

• P = 2 ( l + w)

• P = l + w

• P = 2l + 2w

A book had a length of 6 cm and a width of 9 cm. What is the perimeter of the book?

• 50 cm

• 15 cm

• 30 cm

• 35 cm

Molly and Ted built pens for their dogs.

Molly made a pen 12 meters by 8 meters.

Ted's pen is 15 meters by 6 meters.

Who will need more fencing to build the pen?

• Ted will need more fencing.

• Molly will need more fencing.

• They will both need the same amount of fencing.

Chad is fencing a rectangular dog kennel that measures 7 ft x 15 ft. Which of the following can be used to find the perimeter of the dog kennel?

• P = 7 x 15

• P = 2 (7 x 15)

• P = (2 x 7) + (2 x 15)

• P = (2 + 7) x (2 + 15)