document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1058159>Question 1058159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show that the points (1,-3),(4,3),(3,7) and (0,-1) are vertices of a parallelogram </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #673193 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=673193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Show that the points A(1,-3),B(4,3),C(3,7) and D(0,-1) are vertices of a parallelogram<BR>\n" );
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document.write( "Find the lengths of the 4 sides.<BR>\n" );
document.write( "If and only if AB = CD and BC = AD it's a parallelogram.<BR>\n" );
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