document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442446>Question 442446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with solving this problem?<BR>\n" );
document.write( "An outside circular ring has a circumference of 60 cm. What is the circumference of an inner ring which is 5 cm shorter in radius? Both circles have the same center.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305172 by </B><A HREF=/tutors/aboutme.mpl?userid=rwm><B>rwm(914)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rwm><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=305172\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c=2*pi*r<BR>\n" );
document.write( "60=2*pi*r<BR>\n" );
document.write( "60/(2*pi)=r<BR>\n" );
document.write( "60/(2*pi)-5=R<BR>\n" );
document.write( "C=2*pi*R<BR>\n" );
document.write( "C1 = -10 (pi-6),   R = -(5 (pi-6))/pi<BR>\n" );
document.write( "C=28.5841,   R=4.5493<BR>\n" );
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