document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196718>Question 196718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the accompanying figure, ABCD is a rectangle, E is a point on AB, DE=13, AE=5and DC=20.<BR>\n" );
document.write( "a. Find AD.<BR>\n" );
document.write( "b. Find the perimeter of trapezoid EBCD.<BR>\n" );
document.write( "c. Find the area of triangle AED.<BR>\n" );
document.write( "d. Find the area of rectangle ABCD.<BR>\n" );
document.write( "e. Find the area of trapezoid EBCD. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #147444 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=147444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A  rough  sketch  helps,,,label  as  answer  arise<BR>\n" );
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document.write( "ADE  is  a  rt  triangle,,with  AE = 5,,,DE  =13,,,given<BR>\n" );
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document.write( "using  pythagorous  theorem,,c^2 = a^2 +b^2.<BR>\n" );
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document.write( "13 ^2 = 5^2 + ad^2,,,,ad  =  12 ,,,,,,,(a)<BR>\n" );
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document.write( "CB  =AD =12,,,,,,and  DC=AB =20,,,,,given,,, therefore  BE =15  (Ab - AE = BE)<BR>\n" );
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document.write( "Per  EBCD = 15 +12 +20+13 = 60,,,,,, (b)<BR>\n" );
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document.write( "Area  (AED)  = 1/2 * 5 * 12  =  30,,,,,,(c)<BR>\n" );
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document.write( "Area  (ABCD) = 20 *12  +240,,,,,(d)<BR>\n" );
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document.write( "Area(EBCD) = 1/2 *(15 +20) *12  =  210<BR>\n" );
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