A = (-2.6698087600603975, -0.40379064564303147)
B = (3.163370320809051, -0.37965335289460606)
a = Segment(A, B)
C = (-0.5618185266979201, 3.2650778521176145)
b = Segment(C, A)
c = Segment(C, B)
α = Angle(B, A, C)
β = Angle(C, B, A)