A = (3.0178141951777757, 2.547859204268682)
B = (-2.2564949603552855, -4.584068270194258)
C = (17.712901968140958, -4.451381247413556)
đa giác1, c, a, b = Polygon(A, B, C)
d = AngularBisector(B, A, C)
D = Intersect(d, a)
e = Segment(A, D)
f = Circle(A, B)
g = Ray(A, C)
E = Intersect(f, g, 1.0)
h = Segment(A, E)
i = Segment(D, E)
α = Angle(B, A, D)
β = Angle(D, A, E)