document.write( "Question 228623: a cylinder has a diameter of 20cm and a lenght of 20cm.what is its volume? \n" ); document.write( "
Algebra.Com's Answer #169660 by checkley77(12844)\"\" \"About 
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Base area=pi*r^2=3.14(20/2)^2=3.14*10^2=31.4 cm^2.
\n" ); document.write( "31.4*20=628 cm^2 is the volume.
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