document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=182628>Question 182628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many angles are formed by 12 distinct rays with a common endpoint?\r<BR>\n" );
document.write( "\n" );
document.write( "Do you add up all the possible combinations?  Or do you just have the twelve angles?    </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137127 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=137127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many angles are formed by 12 distinct rays with a common endpoint? <BR>\n" );
document.write( "Do you add up all the possible combinations? Or do you just have the twelve angles? <BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Each pair of rays form an angle.<BR>\n" );
document.write( "The number of pairs is 12C2 = (12*11)/(1*2) = 66 angles\r<BR>\n" );
document.write( "\n" );
document.write( "=============================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );