Perimeter of Shapes

What is the missing length if the perimeter is 30 cm?

• 12 cm

• 13 cm

• 30 cm

• 5 cm

Find the perimeter of the shape

• 9n - 2

• 12n - 10

• 5n + 6

• 4n + 7

Find the perimeter of the shape

• 6m + 18

• 25m - 24

• 24m - 15

• 3m + 20

Find the perimeter of the shape

• 17y + 7z - 13

• 9y - 19z -15

• 6y + 12z - 10

• 11y - 8z + 5

Find the perimeter of the shape

• -16x - 11

• 11x - 16.5

• 11x + 13

• 16.5x - 13

Find the perimeter of the shape

• 17x - 19

• 17x - 3

• 18x + 7

• 18x + 2

Find the perimeter of the shape

• 17a - 2b - 3

• 13a + 17b - 3

• 15a + 3b - 5

• 18a - 6b + 9

Find the perimeter of the shape

• 11a + 6

• 11a - 1

• 11a - 13

• 11a + 7

Find the perimeter of the shape

• 10y + 6

• 13y + 2

• 15y - 9

• 14y + 8

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 ft

• 120 sq. ft

• 60 ft

• 120 ft