document.write( "Question 864548: a water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320 pi cubic feet. What is the diameter,in feet, of the water tank? \n" ); document.write( "
Algebra.Com's Answer #521080 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( ".
\n" ); document.write( "V =\"pi%2A%28r%5E2%29+h+=+320pift%5E3\"
\n" ); document.write( "V =\"pi%2A%28r%5E2%29+10ft+=+320pift%5E3\"
\n" ); document.write( " r^2 = 320/20
\n" ); document.write( " r^2 = 16
\n" ); document.write( " r = 4ft, Diameter is 8ft \n" ); document.write( "
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