document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=986743>Question 986743</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a triangle ABC, the angle at B is 155 degrees, the length of side BC is 29, and the length of side AB is 10.  To 2 decimal places, what is the length of side AC?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #607558 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=607558\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Using Cosine Rule:<BR>\n" );
document.write( "b^2 = a^2 + c^2 - 2acCosB<BR>\n" );
document.write( "b^2 = 29^2 + 10^2 - 2(29)(10)Cos155<BR>\n" );
document.write( "b^2 = 1466.659<BR>\n" );
document.write( "b = 38.297<BR>\n" );
document.write( "b = 38.3 units<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
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