document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248317>Question 248317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to make a 2 column proof for geometry to prove that, the diagonals of a rectangle are congruent. My only given statement, is that 'abcd' is a rectangle. What steps do I need for the proof to prove it true? Thanks so much. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180962 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=180962\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> http://www.sparknotes.com/math/geometry3/geometricproofs/section1.html<BR>\n" );
document.write( "What do you know about rectangles?<BR>\n" );
document.write( "Rectangles have four sides.<BR>\n" );
document.write( "Opposite sides are equal<BR>\n" );
document.write( "All angles are right angles<BR>\n" );
document.write( "The diagonal makes a right triangle with the sides.<BR>\n" );
document.write( "The right triangles are congruent then the diagonals must be congruent.<BR>\n" );
document.write( "A triangle with sides L and W and a right angle between them has to be congruent with another right triangle with the same legs.\r<BR>\n" );
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