document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=264026>Question 264026</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the<BR>\n" );
document.write( "measure of the interior angles in a<BR>\n" );
document.write( "triangle is 180°.The measure of the<BR>\n" );
document.write( "second angle is 15° more than the<BR>\n" );
document.write( "measure of the first angle.The measure<BR>\n" );
document.write( "of the third angle is 45° more<BR>\n" );
document.write( "than the measure of the first angle.<BR>\n" );
document.write( "Find the measures of the interior angles in the<BR>\n" );
document.write( "triangle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194467 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><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=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=194467\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the<BR>\n" );
document.write( "measure of the interior angles in a<BR>\n" );
document.write( "triangle is 180°.The measure of the<BR>\n" );
document.write( "second angle is 15° more than the<BR>\n" );
document.write( "measure of the first angle.The measure<BR>\n" );
document.write( "of the third angle is 45° more<BR>\n" );
document.write( "than the measure of the first angle.<BR>\n" );
document.write( "Find the measures of the interior angles in the<BR>\n" );
document.write( "triangle.\r<BR>\n" );
document.write( "\n" );
document.write( "ok take line by line and make up variables im going to do < A,B,C<BR>\n" );
document.write( "\"The sum of the measure of the interior angles in a triangle is 180°\"<BR>\n" );
document.write( "A+B+C=180<BR>\n" );
document.write( "1st angle=A, 2nd angle=B, 3rd angle=C<BR>\n" );
document.write( "\"The measure of the second angle is 15° more than the measure of the first angle\" B=A+15<BR>\n" );
document.write( "\"The measure of the third angle is 45° more than the measure of the first angle\" C=A+45<BR>\n" );
document.write( "\"Find the measures of the interior angles in the triangle.\" Find A,B,C\r<BR>\n" );
document.write( "\n" );
document.write( "rewrite your equations<BR>\n" );
document.write( "A+B+C=180   B=A+15   C=A+45<BR>\n" );
document.write( "since we know what B and C equal, I would suggest solving for A first.<BR>\n" );
document.write( "A+B+C=180<BR>\n" );
document.write( "A+(A+15)+(A+45)=180<BR>\n" );
document.write( "3A+60=180<BR>\n" );
document.write( "3A=120<BR>\n" );
document.write( "A=40 now plug into the other 2 equations<BR>\n" );
document.write( "B=(40)+15=55<BR>\n" );
document.write( "C=(40)+45=85<BR>\n" );
document.write( "So A=40 B=55 and C=85<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );