document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999297>Question 999297</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In ABCD, line segments AC and BD divide each other in half at E. Prove that angle DBC is congruent to angle BDA . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #617048 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52908)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=617048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "If in a quadrilateral two diagonals bisect each other, &nbsp;then the quadrilateral is a parallelogram.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "For the proof see the lesson &nbsp;<A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Parallelograms/Properties-of-diagonals-of-parallelograms.lesson>Properties of diagonals of parallelograms</A>&nbsp; in this site.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );