document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077542>Question 1077542</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me find the sides of a, b, and c of the triangle that is a = 4 , b = 8, c = 10<BR>\n" );
document.write( "So far I have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%5E2+%2B+4%5E2+-2+%2A4%2Acos%28c%29=5%5E2+ ALIGN=MIDDLE  ALT=\"+2%5E2+%2B+4%5E2+-2+%2A4%2Acos%28c%29=5%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-16cos%28c%29=25-4-16+ ALIGN=MIDDLE  ALT=\"+-16cos%28c%29=25-4-16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-16cos%28c%29=5+ ALIGN=MIDDLE  ALT=\"+-16cos%28c%29=5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos%28c%29+=+-5%2F16+ ALIGN=MIDDLE  ALT=\"+cos%28c%29+=+-5%2F16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+180-71.79+ ALIGN=MIDDLE  ALT=\"+c+=+180-71.79+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+108.21+%2A+degrees+ ALIGN=MIDDLE  ALT=\"+c+=+108.21+%2A+degrees+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #692007 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692007\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help me find the sides of a, b, and c of the triangle that is a = 4 , b = 8, c = 10<BR>\n" );
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document.write( "You mean find the angles.<BR>\n" );
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document.write( "So far I have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%5E2+%2B+4%5E2+-2+%2A4%2Acos%28c%29=5%5E2+ ALIGN=MIDDLE  ALT=\"+2%5E2+%2B+4%5E2+-2+%2A4%2Acos%28c%29=5%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "20 - 8cos(C) = 25<BR>\n" );
document.write( "Not -16cos, -8\r<BR>\n" );
document.write( "\n" );
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document.write( "********** <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-16cos%28c%29=25-4-16+ ALIGN=MIDDLE  ALT=\"+-16cos%28c%29=25-4-16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-16cos%28c%29=5+ ALIGN=MIDDLE  ALT=\"+-16cos%28c%29=5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos%28c%29+=+-5%2F8+ ALIGN=MIDDLE  ALT=\"+cos%28c%29+=+-5%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+180-71.79+ ALIGN=MIDDLE  ALT=\"+c+=+180-71.79+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+108.21+%2A+degrees+ ALIGN=MIDDLE  ALT=\"+c+=+108.21+%2A+degrees+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C =~ 128.68 degs<BR>\n" );
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document.write( "I would use the Law of Sines to find a 2nd angle.<BR>\n" );
document.write( "sin(C)/c = sin(A)/a<BR>\n" );
document.write( "sin(A) = a*sin(C)/c = 4*0.7806/10 = 0.31225<BR>\n" );
document.write( "A = 18.195 deg<BR>\n" );
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document.write( "B = 180 - (A + C)<BR>\n" );
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