Question

The length of a rectangular play area is 40 ft. The width of the play area is 20 ft.

Which is the correct unit of measurement to use when figuring out how much fence is needed to surround the play area?









A.

ft³








B.
ft







C.

ft²

Answer 1

The fence around the perimeter would be in feet (ft). Area is squared and volume is cubed. Perimeter is neither.

Answer 2

B) ft

it is referring to the perimeter and perimeter is expressed as simply "ft"

the area would be presented as ft^2
and the volume would be presented as ft^3