SOLUTION: The dimensions of a room are 20 feet long, 12 feet wide, and 8 feet high. Gary wants to paint the walls and ceiling. What is the area, in square feet, of the surface Gary wants to

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Question 818395: The dimensions of a room are 20 feet long, 12 feet wide, and 8 feet high. Gary wants to paint the walls and ceiling. What is the area, in square feet, of the surface Gary wants to paint?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
2(20)(12) + 2(20)(8) + 2(12)(8)
2( (20)(12) + (20)(8) + (12)(8) )
2( 240 + 160 + 96 )
2( 496 )
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a = 992 sq.ft
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