document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123187>Question 123187</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi May I have some help solving this problem?\r<BR>\n" );
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document.write( "Plot the points A(0, 0), B(3, 0), C(2, 9), and D(1, 9) on a coordinate plane. Draw the segments AB, BC, CD, and DA. What is its area? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90545 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Plot the points A(0, 0), B(3, 0), C(2, 9), and D(1, 9) on a coordinate plane. Draw the segments AB, BC, CD, and DA. What is its area?\r<BR>\n" );
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document.write( "it is trapezoid:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+160%2C+160%2C+-10%2C+10%2C+-10%2C+10%2C+line%28+-6%2C+-6%2C4%2C-6%29+%2C+line%28+-6%2C+-6%2C-4%2C4%29%2C+line%28+-4%2C4%2C2%2C4%29+%2C+line%28+2%2C+4%2C4%2C-6%29+%2Clocate%28+-6.5%2C-6.5%2CA%29%2Clocate%28+4.5%2C-6.5%2CB%29%2Clocate%28+2.5%2C4.5%2CC%29%2Clocate%28-5.5%2C5%2CD%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AB=a ALIGN=MIDDLE  ALT=\"AB=a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CD=b ALIGN=MIDDLE  ALT=\"CD=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=+1%2F2+h%28a+%2B+b%29 ALIGN=MIDDLE  ALT=\"Area+=+1%2F2+h%28a+%2B+b%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "we need a lenght <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b ALIGN=MIDDLE  ALT=\"b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "a distance between A and  B ....=>...a lenght <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=%28x2-x1%29=3-0=3 ALIGN=MIDDLE  ALT=\"a=%28x2-x1%29=3-0=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "a distance between C and  D....=>...a lenght <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=%28x2-x1%29=2-1=1 ALIGN=MIDDLE  ALT=\"b=%28x2-x1%29=2-1=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "now to find a lenght <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" > we need a distance <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B ALIGN=MIDDLE  ALT=\"B\"   DISABLED_style= \"max-width:90%; height:auto;\" > to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CD=9=h ALIGN=MIDDLE  ALT=\"CD=9=h\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=+%281%2F2%29+9%283+%2B+1%29 ALIGN=MIDDLE  ALT=\"Area+=+%281%2F2%29+9%283+%2B+1%29\"   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=Area+=+%281%2F2%29+9%284%29 ALIGN=MIDDLE  ALT=\"Area+=+%281%2F2%29+9%284%29\"   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=Area+=+9%2A2 ALIGN=MIDDLE  ALT=\"Area+=+9%2A2\"   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=+Area+=+18 ALIGN=MIDDLE  ALT=\"+Area+=+18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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