B_1 = (12.628239365977574, 6.572979815483965)
C_1 = (15.047526000596973, -3.994019278255992)
H = (-5.669353801603713, -7.9705478845844455)
I_1 = (-4.417998645766088, -7.942739992232498)
i = Segment(H, I_1)
A = (5.036684753895978, 5.571895690813859)
B = (-0.3580463623817889, -1.9918510289157927)
C = (14.602599722965829, -1.9084273518599457)
đa giác1, e, a, d = Polygon(A, B, C)
b = AngularBisector(B, A, C)
M = Intersect(b, a)
c = Segment(A, M)
α = Angle(B, A, M)
β = Angle(M, A, C)