document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989072>Question 989072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I am a junior in high school looking for help to get a formula. I need this formula to solve an equation in which I want to know the number of sides in a regular polygon, where I am given the circumradius and a side length.\r<BR>\n" );
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document.write( "Thanks in advance,<BR>\n" );
document.write( "Tyler </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609505 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=609505\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, I am a junior in high school looking for help to get a formula. I need this formula to solve an equation in which I want to know the number of sides in a regular polygon, where I am given the circumradius and a side length.<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "s = side length<BR>\n" );
document.write( "r = radius<BR>\n" );
document.write( "n = # of sides<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "angle = asin(s/2r)<BR>\n" );
document.write( "n = 360/(2*angle)<BR>\n" );
document.write( "--> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+360%2F%282%2Aasin%28s%2F2r%29%29 ALIGN=MIDDLE  ALT=\"n+=+360%2F%282%2Aasin%28s%2F2r%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+180%2Fasin%28s%2F2r%29 ALIGN=MIDDLE  ALT=\"n+=+180%2Fasin%28s%2F2r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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