5 x 5 = 25sq ft
Approximately 110.24 square feet.
40 square feet. Just multiply length by width - the answer is the square footage.
The floor is 30 square feet.So is the ceiling.
About five (4.975) such boxes.
400 square feet.
16' x 15' = 240 square feet.
A simple rectangular room 20 feet by 18 feet has 360 square feet.
240 square feet
252 square feet.
120 square feet.
300 square feet.
162 square feet.