Talk:Cardioid/Proofs

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[edit] Subpage

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

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

[edit] Perimeter

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