document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=992778>Question 992778</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two side of a triangle are 50m and 60m long. The angle included between these sides are 30 degrees, what is the interior angle opposite the longest side? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #612274 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=612274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let us use the cosine rule first.\r<BR>\n" );
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document.write( "a = 50<BR>\n" );
document.write( "b = 60<BR>\n" );
document.write( "C = 30 degrees\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2+=+a%5E2+%2B+b%5E2+-+2abcos%28C%29 ALIGN=MIDDLE  ALT=\"c%5E2+=+a%5E2+%2B+b%5E2+-+2abcos%28C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2+=+50%5E2+%2B+60%5E2+-+2%2A50%2A60%2Acos%2830%29+=+903.8476 ALIGN=MIDDLE  ALT=\"c%5E2+=+50%5E2+%2B+60%5E2+-+2%2A50%2A60%2Acos%2830%29+=+903.8476\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+30.06 ALIGN=MIDDLE  ALT=\"c+=+30.06\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So largest side is b = 60 m.\r<BR>\n" );
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document.write( "Using Sine rule<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%2Fsin%28C%29+=+b%2Fsin%28B%29 ALIGN=MIDDLE  ALT=\"c%2Fsin%28C%29+=+b%2Fsin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28B%29+=+%28b%2Asin%28C%29%29%2Fc ALIGN=MIDDLE  ALT=\"sin%28B%29+=+%28b%2Asin%28C%29%29%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28B%29+=+%2860%2Asin%2830%29%29%2F30.06 ALIGN=MIDDLE  ALT=\"sin%28B%29+=+%2860%2Asin%2830%29%29%2F30.06\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B = 86.3 degree </SPAN>\n" );
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