March Pi madness...π Dflat vs π dCurved on 3 - 14 - 15

Thousands gather in Madison Park New York for a slice of Pi!
C/D vs C/d
Some Peter Pi reflections hmmm? where
C/Dflat vs C/dCurved

To flatten Pi or not to flatten Pi...that is the curve.
(Where d intersects circle but 2r does not)