document.write( "Question 590783: how many cubic feet of sand is needed to fill a cylinder 36\" wide by 18\" high \n" ); document.write( "
Algebra.Com's Answer #375312 by Alan3354(69443)\"\" \"About 
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how many cubic feet of sand is needed to fill a cylinder 36\" wide by 18\" high
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\n" ); document.write( "If \"wide\" means diameter:
\n" ); document.write( "r = d/d = 18 inches
\n" ); document.write( "\"Vol+=+pi%2Ar%5E2%2Ah+=+18%5E2%2A18%2Api\" cubic inches
\n" ); document.write( "Vol = 5832*pi cubic inches
\n" ); document.write( "Vol = 5832*pi/1728 cubic ft
\n" ); document.write( "=~ 10.6 cf
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