document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=840471>Question 840471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the area  of an isosceles trapozoid with side lengths of 15,40,15 an 22. Units are measured in mm? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #506342 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=506342\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Think of the bottom side being length 40<BR>\n" );
document.write( "Think of the bottom being three parts with<BR>\n" );
document.write( "lengths 9,22 and 9. On the left side is a triangle with a<BR>\n" );
document.write( "base of 9, a hypotenuse of 15 and an unknown height h .<BR>\n" );
document.write( "Let's find the length of the third leg of the triangle<BR>\n" );
document.write( "which will be the height.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%5E2+%2B+h%5E2+=+15%5E2 ALIGN=MIDDLE  ALT=\"9%5E2+%2B+h%5E2+=+15%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81+%2B+h%5E2+=+225+ ALIGN=MIDDLE  ALT=\"81+%2B+h%5E2+=+225+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "subtract 81 from each side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E2+=+144 ALIGN=MIDDLE  ALT=\"h%5E2+=+144\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h+=+sqrt%28144%29 ALIGN=MIDDLE  ALT=\"h+=+sqrt%28144%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >= 12<BR>\n" );
document.write( "Now we know that our trapezoid is made up of<BR>\n" );
document.write( "a triangle with base 9 and height 12, a rectangle with base 22 and height 12,<BR>\n" );
document.write( "and another triangle with base 9 and height 12.<BR>\n" );
document.write( "The area of the trapezoid =<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F2%29%289%29%2812%29+%2B+%2822%29%2812%29+%2B+%281%2F2%29%289%29%2812%29 ALIGN=MIDDLE  ALT=\"%281%2F2%29%289%29%2812%29+%2B+%2822%29%2812%29+%2B+%281%2F2%29%289%29%2812%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%289%29%2812%29%29%2F2+%2B+262+%2B+%28%289%29%2812%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28%289%29%2812%29%29%2F2+%2B+262+%2B+%28%289%29%2812%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%2F2+%2B+262+%2B+108%2F2 ALIGN=MIDDLE  ALT=\"108%2F2+%2B+262+%2B+108%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=54+%2B+262+%2B+54 ALIGN=MIDDLE  ALT=\"54+%2B+262+%2B+54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=370+mm%5E2 ALIGN=MIDDLE  ALT=\"370+mm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );