document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23111>Question 23111</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The section we are working on has to do with augmented matrices, and here's the question:\r<BR>\n" );
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document.write( "\"In triangle ABC, the measure of angle A is twice the measure of angle B. The measure of angle C exceeds four times the measure of angle B by 12 degrees. Find the measure of each angle.\"\r<BR>\n" );
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document.write( "I've tried this problem several times and just can't find a reasonable answer. Please help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11540 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = angle B since it is at the end of the first sentence and because angle A is described in terms of angle B.  Therefore, let x = angle B<BR>\n" );
document.write( "2x = angle A<BR>\n" );
document.write( "4x +12 = angle C\r<BR>\n" );
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document.write( "The equation is that the sum of the three angles is 180 degrees.\r<BR>\n" );
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document.write( "x+ 2x + 4x + 12 = 180<BR>\n" );
document.write( "7x + 12 = 180<BR>\n" );
document.write( "7x = 168\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%2F7=+168%2F7 ALIGN=MIDDLE  ALT=\"7x%2F7=+168%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=+24 ALIGN=MIDDLE  ALT=\"x=+24\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees = Angle B<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+=+48 ALIGN=MIDDLE  ALT=\"2x+=+48\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees = Angle A<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x+%2B+12+=+108+ ALIGN=MIDDLE  ALT=\"4x+%2B+12+=+108+\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees = Angle C\r<BR>\n" );
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document.write( "Check:  24+48+108 = 180 degrees<BR>\n" );
document.write( "It checks!\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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