Shakespeare Programming Language, 242 226226 203 bytes
(Whitespace added for readability only)
N.Ajax,.Puck,.Act I:.Scene I:.[Enter Ajax and Puck] Ajax:Listen tothy. You is the quotient betweenthe product ofthe sum ofyou a big pig twice twice twice the sum ofa cat twice twicesquare twiceoftwice the sum ofa big big cat a cat you. Open heart Explanation: I use the formula ((n-2)200)/n. Input in STDIN. Much of this program is the number 200, which I represent as 222*(1+222*(2+1)). Saved 16 bytes by switching to gradians, since 180 is harder to represent than 200. Saved 23 bytes by instead representing 200 as 2*(2*(4+1))^2.