C: (3.99, 0.99)
A = (1, -2)
B = Point(Ray[A, (x(A) + 10, y(A))])
f = Segment(A, B)
h = Line(C, f)
i = Segment(A, C)
j = Segment(C, B)
F = Point(h)
β = Angle(A, C, B)
ε = Angle(C, B, A)
k = Segment(C, F)
g = Ray(A, C)
G = Point(g)
l = Segment(C, G)
δ = Angle(G, C, F)
γ = Angle(B, C, F)
E = (-4.28, -3.36)
α = Angle(B, A, C)