document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117077>Question 1117077</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The surface area, S, of a cone of radius r and h can be found using the formula S=&#960;r&#8730;r^2+h^2. What is the height of this cone? \r<BR>\n" );
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document.write( "S= 225 cm^2<BR>\n" );
document.write( "r= 5 cm </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732043 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732043\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 225=pi*r (r+sqrt(r^2+h^2)<BR>\n" );
document.write( "225=5 pi(5+sqrt(h^2+25)<BR>\n" );
document.write( "divide both sides by 5 pi<BR>\n" );
document.write( "14.324=5+sqrt(h^2+25)<BR>\n" );
document.write( "9.324=sqrt(h^2+25)<BR>\n" );
document.write( "86.84=h^2+25, after squaring both sides<BR>\n" );
document.write( "61.84=h^2<BR>\n" );
document.write( "h=7.86 cm<BR>\n" );
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