document.write( "Question 1021374: The dimensions of a room are L:10m x Width:8m x height:3m. What is the area of the floor, the ceiling and the walls and total surface area of the room? \n" ); document.write( "

Algebra.Com's Answer #637227 by macston(5194) $\"\"$ $\"About$

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Inside surface area for walls is perimeter times height.
\n" ); document.write( "Add surface are of floor and ceiling for total surface area:
\n" ); document.write( "L=10m; W=8m; H=3m
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\n" ); document.write( "P=2(L+W)
\n" ); document.write( "P=2(10m+8m)
\n" ); document.write( "P=2(18m)
\n" ); document.write( "P=36m
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\n" ); document.write( "P x H = 36m x 3m=108m^2
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\n" ); document.write( "Surface area of walls is 108m^2
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\n" ); document.write( "Surface area of floor=L x W = 10m x 8m = 80m^2
\n" ); document.write( "Surface area of ceiling=L x W=10m x 8m = 80m^2
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\n" ); document.write( "Total surface area = wall area + floor area + ceiling area
\n" ); document.write( "Total surface area = 108m^2 + 80m^2 + 80m^2
\n" ); document.write( "Total surface area = 268m^2
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\n" ); document.write( "ANSWER: Total interior surface area is 268 square meters.
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