Question

Naomi's square bedroom has an area of 90 square feet. What is the length of one of the walls? Round to the nearest tenth if necessary.

Answer 1

9.48 ft

Explanation:

Step one:

given data

Naomi's square bedroom has an area of 90 square feet

Area of the room = 90 ft^2

Required

the length of the side of the room

Step two:

we know that area is

A= L^2

substitute

90= L^2

L= √90

L=9.48 ft