Question

Which measure is cloest to the length of a side of a square that has an area of 221 square feet? 11.0 ft 14.69 ft 16.4 ft 55.2 ft

Answer 1

14.69 ft.

Explanation:

Area of a square:

A=
`a^2`

Given:

A=221
`ft^(2)`

Solve:

221=
`a^2`

`√(221)`=
`√(a)^2`

a is approx. equal to 14.87 ft.

which is 14.69 ft.