document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185239>Question 1185239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square whose area is 81 has its perimeter\r<BR>\n" );
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document.write( "equal to the perimeter of an equilateral<BR>\n" );
document.write( "triangle. What is the area of the triangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #816029 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=816029\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The dimensions of any side of the given square is 9 units.  Perimeter of this given square is 36 units.\r<BR>\n" );
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document.write( "Equilateral triangle with that same 36 unit perimeter, each side of this triangle is 12 units.\r<BR>\n" );
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document.write( "Area for this triangle:<BR>\n" );
document.write( "This can be cut into two right triangles with hypotenuse 12, short leg 6, and longer leg a, so that   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2%2B6%5E2=12%5E2 ALIGN=MIDDLE  ALT=\"a%5E2%2B6%5E2=12%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  You can solve for a.<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%289%2A12%29 ALIGN=MIDDLE  ALT=\"sqrt%289%2A12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2A3%2A3%2A2%2A2%29 ALIGN=MIDDLE  ALT=\"sqrt%283%2A3%2A3%2A2%2A2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28a=6%2Asqrt%283%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28a=6%2Asqrt%283%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The equilateral triangle's area:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%281%2F2%2912%2Aa ALIGN=MIDDLE  ALT=\"2%281%2F2%2912%2Aa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2812a%29 ALIGN=MIDDLE  ALT=\"highlight_green%2812a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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