document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443054>Question 443054</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In triangle ABC, angle B is 4 times A and angle C is 12 degrees less than 5 times angle A. Find the size of the angles.\r<BR>\n" );
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document.write( "The size of angle A is ___ degrees?<BR>\n" );
document.write( "The size of angle B is ___ degrees?<BR>\n" );
document.write( "The size of angle C is ___ degrees?\r<BR>\n" );
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document.write( "Simplify your answer for each. Type an integer or a decimal. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305596 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305596\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We know that A + B +C = 180  <BR>\n" );
document.write( "They tell us:<BR>\n" );
document.write( "B = 4A<BR>\n" );
document.write( "C = 5A - 12\r<BR>\n" );
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document.write( "Then A + 4A + (5A-12) = 180<BR>\n" );
document.write( "10A - 12 = 180<BR>\n" );
document.write( "10A = 192<BR>\n" );
document.write( "A = 19.2º\r<BR>\n" );
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document.write( "B = 4(19.2) = 76.8º\r<BR>\n" );
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document.write( "19.2 + 76.8 + C = 180\r<BR>\n" );
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document.write( "96 + C = 180\r<BR>\n" );
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document.write( "C = 180 - 96\r<BR>\n" );
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document.write( "C = 84º\r<BR>\n" );
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document.write( "The angles are 19.2, 76.8, 84.\r<BR>\n" );
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document.write( "What you asked for, Angle A, is 19.2º.\r<BR>\n" );
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document.write( "Hope this helped! </SPAN>\n" );
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