I assume you mean that the room is a square with each side measuring 20 feet.
20 * 8 * 4 = _________ square feet
the walls and ceiling of a hotel room need to painted. The floor is 20-foot square and the ceiling is 8 feet high. What is the surface area of the walls and ceiling to be painted? Ignore any doors or windows
2 answers
Oops -- I forgot the ceiling.
Add 400 square feet to the above.
Add 400 square feet to the above.
1 answer