Question

A small square window has an area of 36 square inches. What is the length of each side?

Answer 1

`"6 inch"`

Explanation:

Area (`"A"`) of a square of side length (`ℓ`) is

`"A" = ℓ^2`

From above

`ℓ = sqrt"A"`

`color(white)(ℓ) = sqrt("36 in"^2)`

`color(white)(ℓ) = 6\ "in"`