document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310563>Question 310563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the length of the diagonal of a cube with a surface area of 24units squared?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222074 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=222074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the surface area of cube = 24\r<BR>\n" );
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document.write( "Let side be x<BR>\n" );
document.write( "area of one face of cube = x^2<BR>\n" );
document.write( "Total surface area = area of 6 faces<BR>\n" );
document.write( "=6x^2<BR>\n" );
document.write( "6x^2=24<BR>\n" );
document.write( "x^2=4<BR>\n" );
document.write( "x=2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Use pythagoras theorem to find diagonal D\r<BR>\n" );
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document.write( "2^2 +2^2 = D62<BR>\n" );
document.write( "8=D^2<BR>\n" );
document.write( "d= sqrt 8 </SPAN>\n" );
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