document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132707>Question 132707</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780534404512/algebrahomeworkh>Fundamentals of Algebric Modeling</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The lengths of the sides of a non-right triangle are 17 inches, 9 inches, and 12 inches. Find the area of the triangle. Round to the nearest tenth.<BR>\n" );
document.write( "my answer is 17 * 9 + 12 = 165 / 3 = 55 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96995 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=96995\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The lengths of the sides of a non-right triangle are 17 inches, 9 inches, and 12 inches. Find the area of the triangle. Round to the nearest tenth.<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Use Hero's formula:<BR>\n" );
document.write( "Area = sqrt[s(s-a)(s-b)(s-c)] where s = (a+b+c+)/2<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Problem:<BR>\n" );
document.write( "s = (17+9+12)/2 = 19<BR>\n" );
document.write( "Area = sqrt[19*(19-17)(19-9)(19-12)]<BR>\n" );
document.write( "Area = sqrt[19*2*10*7]<BR>\n" );
document.write( "Area = sqrt(2660)<BR>\n" );
document.write( "Area = 51.6 sq. inches<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );