document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1055099>Question 1055099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Quadrilateral ABCD has a perimeter of 64 cm with measurements as shown. What is the area of the quadrilateral?\r<BR>\n" );
document.write( "\n" );
document.write( "diagram: http://imgur.com/a/W0NlZ\r<BR>\n" );
document.write( "\n" );
document.write( "I'm not sure how to do this question, could you please help? Thanks in advanced. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #670297 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=670297\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Labeling segment AC as d,<BR>\n" );
document.write( "segment AD as c,<BR>\n" );
document.write( "segment DC as a,\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First you can find if you like, d, as part of the upper right triangle.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2=6%5E2%2B8%5E2 ALIGN=MIDDLE  ALT=\"d%5E2=6%5E2%2B8%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=sqrt%2836%2B64%29 ALIGN=MIDDLE  ALT=\"d=sqrt%2836%2B64%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=sqrt%28100%29 ALIGN=MIDDLE  ALT=\"d=sqrt%28100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=10 ALIGN=MIDDLE  ALT=\"d=10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now deal with perimeter for the entire figure and Pythagorean relationship of the lower Triangle ACD.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%286%2B8%2Ba%2Bc=64%2C100%2Ba%5E2=c%5E2%29 ALIGN=MIDDLE  ALT=\"system%286%2B8%2Ba%2Bc=64%2C100%2Ba%5E2=c%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Notice that this uses two unknown variables a and c in two equations, so solvable. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );