- 02:58, March 17, 2011 (diff | hist) . . (-21) . . Arc length (→Another Proof (Romil Sirohi's))
- 03:59, December 24, 2010 (diff | hist) . . (+35) . . Proof: Pi is Constant (→Another Proof (Romil Sirohi's))
- 23:10, October 31, 2010 (diff | hist) . .
**(+761)** . . Proof: Pi is Constant - 22:49, October 31, 2010 (diff | hist) . .
**(+509)** . . Arc length - 00:03, October 25, 2010 (diff | hist) . .
**(+793)** . . Formula for Area Bounded by a Circle/Proof

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