document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93616>Question 93616</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> If a given triangle ABC with a = 12, b = 10 and c = 8, please help me find the angles in minutes. <BR>\n" );
document.write( "angle A = _____________<BR>\n" );
document.write( "angle B = _____________<BR>\n" );
document.write( "angle C = _____________ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #68205 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=68205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a given triangle ABC with a = 12, b = 10 and c = 8, please help me find the angles in minutes.<BR>\n" );
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document.write( "Using the law of cosines: a^2 = b^2 + c^2 - 2bc*Cos(A)<BR>\n" );
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document.write( "Rearrange formula to find Angle A<BR>\n" );
document.write( "Cos(A) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%5E2+%2B+c%5E2+-+a%5E2%29%2F%282bc%29 ALIGN=MIDDLE  ALT=\"%28b%5E2+%2B+c%5E2+-+a%5E2%29%2F%282bc%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cos(A) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%5E2+%2B+8%5E2+-+12%5E2%29%2F%282%2A10%2A8%29 ALIGN=MIDDLE  ALT=\"%2810%5E2+%2B+8%5E2+-+12%5E2%29%2F%282%2A10%2A8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cos(A) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28100+%2B+64+-+144%29%2F%28160%29 ALIGN=MIDDLE  ALT=\"%28100+%2B+64+-+144%29%2F%28160%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F160 ALIGN=MIDDLE  ALT=\"20%2F160\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .125<BR>\n" );
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document.write( "A = 82.81924422 degrees<BR>\n" );
document.write( "Find the minutes, mult the decimal portion times 60:<BR>\n" );
document.write( "A = 82 degree, 49.15 minutes<BR>\n" );
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document.write( "Find Angle B<BR>\n" );
document.write( "Cos(B) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a%5E2+%2B+c%5E2+-+b%5E2%29%2F%282ca%29 ALIGN=MIDDLE  ALT=\"%28a%5E2+%2B+c%5E2+-+b%5E2%29%2F%282ca%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cos(B) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%5E2+%2B+8%5E2+-+10%5E2%29%2F%282%2A8%2A12%29 ALIGN=MIDDLE  ALT=\"%2812%5E2+%2B+8%5E2+-+10%5E2%29%2F%282%2A8%2A12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cos(B) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28144+%2B+64+-+100%29%2F%28192%29 ALIGN=MIDDLE  ALT=\"%28144+%2B+64+-+100%29%2F%28192%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%2F192 ALIGN=MIDDLE  ALT=\"108%2F192\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .5625<BR>\n" );
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document.write( "B = 55.77113367 degrees<BR>\n" );
document.write( "Find the minutes, mult the decimal portion times 60:<BR>\n" );
document.write( "B = 55 degrees, 46.28 minutes<BR>\n" );
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document.write( "Find Angle C by subtracting the known angles from 180:<BR>\n" );
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document.write( "180 - 82.81924422 - 55.77113367 = 41.40962211<BR>\n" );
document.write( "Which is:<BR>\n" );
document.write( "C = 41 degrees, 24.58 minutes<BR>\n" );
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document.write( " </SPAN>\n" );
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