document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196329>Question 196329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi!<BR>\n" );
document.write( "if I have the following information for a triangle:<BR>\n" );
document.write( "a=16, b=20 angle B=40\r<BR>\n" );
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document.write( "is it possible to find the rest of the measurements ONLY using the law of Cosines (i.e. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2=b%5E2%2Bc%5E2+-+2+%2A+a+%2A+b+%2A+cos%28A%29%2C+etc...+ ALIGN=MIDDLE  ALT=\"+a%5E2=b%5E2%2Bc%5E2+-+2+%2A+a+%2A+b+%2A+cos%28A%29%2C+etc...+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or do I HAVE to use the laws of Sines and other formulas? \r<BR>\n" );
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document.write( "If it is possible using only the laws of Cosines, please please show me how.\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 #147150 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=147150\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Law of sines (SSA)<BR>\n" );
document.write( "sin A/a=sin B/b<BR>\n" );
document.write( "sin A/16=.6428/20<BR>\n" );
document.write( "sin A=16*.6428/20<BR>\n" );
document.write( "sin A=.5142<BR>\n" );
document.write( "A=30.95<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );