document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145726>Question 145726</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i want to know how you find the area of an equilateral triangle (regular 3-gon) with the given measurement.\r<BR>\n" );
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document.write( "6-inch side.\r<BR>\n" );
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document.write( "A = sq. in. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106352 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=106352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can use Heron's formula for finding the area of any triangle when you know only the lengths of the three sides.<BR>\n" );
document.write( "Heron's formula is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where s = the semi-perimeter of the triangle and a, b, and c are the lengths of the three sides.<BR>\n" );
document.write( "In your problem, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+%286%2B6%2B6%29%2F2 ALIGN=MIDDLE  ALT=\"s+=+%286%2B6%2B6%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18%2F2+=+9 ALIGN=MIDDLE  ALT=\"18%2F2+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and a, b, and c = 6 inches each.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%289%289-6%29%289-6%29%289-6%29%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%289%289-6%29%289-6%29%289-6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%289%2A3%2A3%2A3%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%289%2A3%2A3%2A3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%289%2A27%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%289%2A27%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%28243%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%28243%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+15.6 ALIGN=MIDDLE  ALT=\"A+=+15.6\"   DISABLED_style= \"max-width:90%; height:auto;\" >sq.in. to the nearest tenth. </SPAN>\n" );
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