ANSWER
The area of the floor is 696 square feet.
Step-by-step explanation
It was given that, the volume inside a rectangular storage room is 2,088 cubic feet.
The rectangular room is a rectangular prism.
The volume of a rectangular prism is

The height of the room is 3 ft.
This implies that,

Divide both sides by 3.


The area of the floor is 696 square feet.