document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=663345>Question 663345</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a triangle with angles measuring a, b, and c degrees, the mean of b and c is a. What is the value of a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412721 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=412721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Knowing that a+b+c=180<BR>\n" );
document.write( "and (b+c)/2=a<BR>\n" );
document.write( "Then,<BR>\n" );
document.write( "(180-a)/2 = a<BR>\n" );
document.write( "Multiply both sides by 2<BR>\n" );
document.write( "180 - a = 2a<BR>\n" );
document.write( "Group and combine like terms.<BR>\n" );
document.write( "180 = 3a<BR>\n" );
document.write( "Divide both sides by 3<BR>\n" );
document.write( "a = 60 degrees<BR>\n" );
document.write( "...................<BR>\n" );
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document.write( "-Reading Boosters<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );