The area of the floor is 256 square feet. The area of the ceiling is also 256 square feet.
In order to calculate the area of the walls, we'd also need to know the height of the
ceiling above the floor.
240 square feet
300 square feet.
162 square feet.
There are 270 square feet in a 15'x18' room.
192 square feet.
400 square feet.
240 square feet
162 square feet.
525 square feet.
300 square feet.
252 square feet.
120 square feet.
16' x 15' = 240 square feet.
A simple rectangular room 20 feet by 18 feet has 360 square feet.
A 10x14 room has an area of 140 square feet (10 feet x 14 feet = 140 square feet).
There is 121 square feet in a 11'x11' room.
There are 270 square feet in a 15'x18' room.