document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1135744>Question 1135744</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Quadrilateral ABCD has vertices A(-2,2), B(4,5), C(3,0) and D(-3,-3). What are the coordinates of the midpoint of the diagonal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753425 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a parallelogram, because the slope of AB and CD are equal, meaning they are parallel, and the slopes of DA and CB are also equal, meaning they are parallel.  The diagonals intersect bisecting each in the middle, and one can use the midpoint formula for both AC and BD.  The midpoints for each should be the same, and AC is (0.5, 1) and DB is (0.5, 1), which are the same. </SPAN>\n" );
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