SOLUTION: how to find the surface area of a room that measures 21 ft X 24ft X 10 ft

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Question 486859: how to find the surface area of a room that measures 21 ft X 24ft X 10 ft
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
SA=2(21*10)+2(24*10)
SA=2*210+2*240
SA=420+480
SA=900 FT^2 ANS.