document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91524>Question 91524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi, i was having some problem with a question, i would like to know a formula that can find the area of a scalene triangle if i only know its perimeter.please help me.\r<BR>\n" );
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document.write( "thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66462 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=66462\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yes, there is one and it's known as Heron's (sometimes known as Hero's) formula and it looks like this.<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;\" ><BR>\n" );
document.write( "Where:<BR>\n" );
document.write( "A = area.<BR>\n" );
document.write( "s = the semi-perimeter (half the perimeter) of the triangle.<BR>\n" );
document.write( "a = the length of one side (it doesn't matter which side).<BR>\n" );
document.write( "b = the length of the second side.<BR>\n" );
document.write( "c = the length of the third side. </SPAN>\n" );
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