document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=261768>Question 261768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When Cammie finished making a friendship bracelet, it was 7.9 inches long.  What was the diameter of the bracelet?<BR>\n" );
document.write( "What formula would or should I use for this?<BR>\n" );
document.write( "Do not understand. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192887 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=192887\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When Cammie finished making a friendship bracelet, it was 7.9 inches long. What was the diameter of the bracelet?<BR>\n" );
document.write( "What formula would or should I use for this?<BR>\n" );
document.write( "Do not understand.\r<BR>\n" );
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document.write( "Well if the bracelet approximates a circle then we can call the 7.9 inches the circumference.<BR>\n" );
document.write( "The circumference of a circle is the length around the circle.<BR>\n" );
document.write( "C circumference = 2 * pi * r = pi * d, where r is the radius (distance from center to edge of circle) and d is the diameter (width of the circle which is 2*r).\r<BR>\n" );
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document.write( "C = 7.9 = pi * d  (now solve for d and round to nearest tenth of an inch or hundredth of an inch)\r<BR>\n" );
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document.write( "7.9/pi = d<BR>\n" );
document.write( "2.51 or 2.5 inches is approximately the diameter of the bracelet<BR>\n" );
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