A

C

B

A = (1.24, 3.22)
B = (-0.36, -0.26)
C = (6.24, 0.58)
polígono1, c, a, b = Polygon(A, B, C)
α = Angle(B, A, C)
β = Angle(A, C, B)
γ = Angle(C, B, A)