document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791437>Question 791437</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me <BR>\n" );
document.write( "The with is a rectangle is 5m and the length of its diagonal is 13 cm <BR>\n" );
document.write( "How long is the other side of the rec.<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 #479562 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=479562\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The rectangle is split into two right triangles if you add in a diagonal. So use the pythagorean theorem.\r<BR>\n" );
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document.write( "a^2 + b^2 = c^2\r<BR>\n" );
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document.write( "5^2 + b^2 = 13^2\r<BR>\n" );
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document.write( "25 + b^2 = 169\r<BR>\n" );
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document.write( "b^2 = 169 - 25\r<BR>\n" );
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document.write( "b^2 = 144\r<BR>\n" );
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document.write( "b = sqrt(144) ... note: b is never negative\r<BR>\n" );
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document.write( "b = 12\r<BR>\n" );
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document.write( "So the length is 12 meters. </SPAN>\n" );
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