document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=993302>Question 993302</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ABCD is a square. Prove that AC = BD </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #612598 by </B><A HREF=/tutors/aboutme.mpl?userid=EdenWolf><B>EdenWolf(517)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=EdenWolf><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=EdenWolf><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=612598\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ABCD is a square. Prove that AC = BD<BR>\n" );
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document.write( "We are given that ABCD is a square. AD=BC by the properties of a square.<BR>\n" );
document.write( "Angle BAD = Angle ABC by the properties of a square, and each are 90 degrees. <BR>\n" );
document.write( "AB = BA by the Reflexive property.<BR>\n" );
document.write( "Triangle ABD &#8773; Triangle BCA by the SAS postulate.<BR>\n" );
document.write( "AC=BD by CPCTC.<BR>\n" );
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document.write( "Hope I helped! </SPAN>\n" );
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