document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=642660>Question 642660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find the measure of the third angle and they give me this:\r<BR>\n" );
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document.write( "x°, (123 – x)°\r<BR>\n" );
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document.write( "how can i do it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404175 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=404175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let y = third missing angle\r<BR>\n" );
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document.write( "Since the three angles (in any triangle) must add to 180, we know that\r<BR>\n" );
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document.write( "x+(123-x) + y = 180\r<BR>\n" );
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document.write( "123 + y = 180\r<BR>\n" );
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document.write( "y = 180 - 123\r<BR>\n" );
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document.write( "y = 57\r<BR>\n" );
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document.write( "So the third angle is 57 degrees </SPAN>\n" );
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