A = (-0.3584801211202767, 2.080156208104009)
B = (-2.274834878722528, 0.19305877504530336)
C = (0.5631256020014169, 0.2150017684529627)
Tên đa giác1, c, a, b = Polygon(A, B, C)
e = AngularBisector(B, A, C)
α = Angle(C, B, A)
β = Angle(A, C, B)