document.write( "Question 304202: A right circular cylinder has height 6 and volume 54π. What is the circumference
\n" ); document.write( "of its base?
\n" ); document.write( "(A) 2π
\n" ); document.write( "(B) 3π
\n" ); document.write( "(C) 6π
\n" ); document.write( "(D) 9π
\n" ); document.write( "(E) 18π\r
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Algebra.Com's Answer #217909 by london maths tutor(243)\"\" \"About 
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\"54pi+%2F+6+=+9pi+\"\r
\n" ); document.write( "\n" ); document.write( "Cross sectional area = \"9pi%7D%7D%0D%0A%0D%0Aarea+of+a+circle+=+pi%2Ar%5E2+%0D%0A%0D%0A%7B%7B%7B+pi%2Ar%5E2+=+9pi+\"\r
\n" ); document.write( "\n" ); document.write( "\"r%5E2+=+9+\"\r
\n" ); document.write( "\n" ); document.write( "\"+r+=+sqrt%289%29+\" \r
\n" ); document.write( "\n" ); document.write( "r = 3 \r
\n" ); document.write( "\n" ); document.write( "Circumference = \"pi%2Ad\" \r
\n" ); document.write( "\n" ); document.write( "d = r * 2 \r
\n" ); document.write( "\n" ); document.write( "d = 3*2 \r
\n" ); document.write( "\n" ); document.write( "d = 6 \r
\n" ); document.write( "\n" ); document.write( "Circumference = \"6pi\"\r
\n" ); document.write( "\n" ); document.write( "Answer:C \r
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