A = (-2.18, -0.02)
B = (5.42, 2.58)
a = Ray(A, B)
C = (5.16, -3.14)
b = Ray(A, C)
c = AngularBisector(C, A, B)
D = Point(c)
d = Ray(A, D)
α = Angle(C, A, D)
β = Angle(D, A, B)
e = OrthogonalLine(D, b)
f = OrthogonalLine(D, a)
E = Intersect(f, a)
F = Intersect(e, b)
g = Segment(D, E)
h = Segment(D, F)
γ = Angle(D, F, A)
δ = Angle(A, E, D)