A = (-0.5340240683815516, 2.4019867780830126)
B = (-2.1943772362277776, 0.7050619545573551)
C = (1.0092998012904904, 0.6904332922855824)
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)