document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107823>Question 1107823</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Plastic drum of cylindrical shape is made by melting spherical solid plastic balls of radius 1cm .Find the number of balls required to make the drum of thickness 2cm,height 90cm and outer radius 30cm </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722855 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=722855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Plastic drum of cylindrical shape is made by melting spherical solid plastic balls of radius 1cm.  Find the number of balls required to make the drum of thickness 2cm, height 90cm and outer radius 30cm<BR>\n" );
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document.write( "Does that include one end, 2 ends, no ends?<BR>\n" );
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document.write( "With one end closed:<BR>\n" );
document.write( "Vol = pi*h*(30^2 - 28^2) + pi*30^2*2<BR>\n" );
document.write( "Vol = pi*88*116 + 1800*pi<BR>\n" );
document.write( "Vol = 12008*pi cc<BR>\n" );
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document.write( "Divide by the volume of 1 ball.<BR>\n" );
document.write( "--> 16011 balls<BR>\n" );
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