document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=817145>Question 817145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given: FGHI is a rectangle <BR>\n" );
document.write( "prove: the diagonals of a rectangle have equal lengths </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491890 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=491890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the Pythagorean theorem.<BR>\n" );
document.write( "fg=hi<BR>\n" );
document.write( "fg^2+gh^2=x<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "hi^2+gh^2=x\r<BR>\n" );
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document.write( "fg^2+gh^2=fh^2<BR>\n" );
document.write( "hi^2+gh^2=ci^2\r<BR>\n" );
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document.write( "therefore fh=ci\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );