A = 180 - (72 + 68) = 40
B = 90
C = 180 - (90 + 36.5)= 53.5
D = 180 - (90 + 56) = 34
E = 90
F = 180 - (95 + 32.1) = 52.9
G = 90
H = 180 - (90 + 30.4) = 59.6
I = 180 - ((90 - 59.6) + 30.5) = 119.1
J = 90 - 59.6 = 30.4
K = 180 - (45 + 45) = 90
L = 180 - (33 + 75) = 72
M = 180 - (35.7 + 37) = 107.3
N = 180 - (92.3 + 40) = 47.7
O = 180 - (90 + 54) = 36
P = 90