Talk:Cardioid/Proofs

Subpage
I moved this from Cardioid article proofs; see Talk:Laplace_operator/Proofs. Daniel 18:48, 20 May 2005 (UTC)


 * ... and I've also moved it after that. Michael Hardy 21:27, 26 July 2005 (UTC)

Perimeter
What about the perimeter proof? —Preceding unsigned comment added by 80.51.236.70 (talk) 20:55, 25 January 2008 (UTC)