SOLUTION: We need to figure out the surface area of a room so we can figure out how much paint to use and howmuch is it going to cost
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Question 153974: We need to figure out the surface area of a room so we can figure out how much paint to use and howmuch is it going to cost Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Let's assume the room is a rectangle with sides L and W. The room is also H high.
To calculate the surface area,SA, of the walls you would find the perimeter of the room and multiply by the H.
If you're painting the ceiling, you would add another worth of area (area of a rectangle).
If you're painting the floor too, that would add another worth of area.
