document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142969>Question 142969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Any help with this system of linear equation would be appreciated.\r<BR>\n" );
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document.write( "In a triangle, the sum of the interior angles is 180 degrees.  If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104021 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=104021\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From the problem description, you can write:<BR>\n" );
document.write( "A = 3B \"...angle A is three times as large as angle B,...\"<BR>\n" );
document.write( "B+C = 90 \"...angles B and C sum to 90 degrees,...\"<BR>\n" );
document.write( "A+B+C = 180 Substitute B+C = 90<BR>\n" );
document.write( "A+90 = 180 Subtract 90 from both sides.<BR>\n" );
document.write( "A = 90 degrees. Substitute A = 3B.<BR>\n" );
document.write( "3B = 90 Divide both sides by 3.<BR>\n" );
document.write( "B = 30 degrees.<BR>\n" );
document.write( "B+C = 90 Substitute B = 30.<BR>\n" );
document.write( "30+C = 90 Subtract 30 from both sides.<BR>\n" );
document.write( "C = 60 degrees.<BR>\n" );
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document.write( "Angle A = 90 degrees.<BR>\n" );
document.write( "Angle B = 30 degrees.<BR>\n" );
document.write( "Angle C = 60 degrees. </SPAN>\n" );
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