document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464979>Question 464979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In rectangle ABCD, point E is the midpoint of the line segment BC.  If the area of the quadrilateral ABED is 2/3, what is the area of rectangle ABCD?\r<BR>\n" );
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document.write( "The answer is 8/9, but I do not know how to get that answer.  Can you help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318719 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=318719\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Quadrilateral ABED is actually a trapezoid.<BR>\n" );
document.write( "Let h be the height of the rectangle, and l, its length.\r<BR>\n" );
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document.write( "Now trapezoid ABED has height h also.  One of its parallel sides, BE, has length l/2 (since BE is half of BC).  The other parallel side has length l.  Hence the area is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28h%2F2%29%28l+%2B+l%2F2%29+=+%28h%2F2%29%28%283l%29%2F2%29+=+%283hl%29%2F4+=+2%2F3 ALIGN=MIDDLE  ALT=\"A+=+%28h%2F2%29%28l+%2B+l%2F2%29+=+%28h%2F2%29%28%283l%29%2F2%29+=+%283hl%29%2F4+=+2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=hl+=+8%2F9 ALIGN=MIDDLE  ALT=\"hl+=+8%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and hl gives exactly the area of the rectangle ABCD. </SPAN>\n" );
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