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http://mathforum.org/kb/thread.jspa?messageID=8918843&tstart=0#8918843
in hte Pierpont primes for paperfolding, but I'm sure that the first attempt to fold the]]>May 6, 2013 2:58:15 PMMay 6, 2013 2:58:15 PMSpace998@hotmail.com0Re: The relation between circumreference and radius of circle
http://mathforum.org/kb/thread.jspa?messageID=8912247&tstart=0#8912247
theoretically with paperfolding. tehn, you can multiply by (other) Fermat primes, and powers]]>May 5, 2013 2:37:19 PMMay 5, 2013 2:37:19 PMSpace998@hotmail.com1Re: The relation between circumreference and radius of circle
http://mathforum.org/kb/thread.jspa?messageID=8912235&tstart=0#8912235
> Is of course Pi but Pi is irrational and have a]]>May 5, 2013 1:43:26 PMMay 5, 2013 1:43:26 PMross.finlayson@gmail.com2Re: The relation between circumreference and radius of circle
http://mathforum.org/kb/thread.jspa?messageID=8912208&tstart=0#8912208
C = 2 * Pi * R

and Pi is just the central angle of a half-circle in radians.

Next, with a viewpoint that the purpose of]]>May 5, 2013 12:58:13 PMMay 5, 2013 12:58:13 PMemptypost@hotmail.com0The relation between circumreference and radius of circle
http://mathforum.org/kb/thread.jspa?messageID=8912062&tstart=0#8912062
expansion. How much work has been done in geometry to find a none irrational]]>May 5, 2013 7:58:28 AMMay 5, 2013 7:58:28 AMjonas.thornvall@gmail.com4