B: (12, -1)
D: (x(B), y(B) + 100)
r = Ray(B, D)
H = Point(r)
E: (x(B) - 100, y(B))
n = Ray(B, E)
A = Point(n)
d = Ray(H, A)
G = Point(d)
s = Ray(A, G)
F = Mirror(A, r)
j = Segment(A, F)
veelhoek1, k, l, m = Polygon(A, F, H)
e = Ray(H, F)
γ = Angle(F, H, A)
ε = Angle(A, F, H)
δ = Angle(H, A, F)
J = Point(s)
L = Mirror(J, r)
f = Segment(A, J)
i = Segment(F, L)
h = Segment(L, A)
g = Segment(J, F)
α = Angle(F, J, A)
β = Angle(A, L, F)
ζ = Angle(L, A, F)
η = Angle(J, F, A)
ι = Angle(J, F, L)
θ = Angle(J, A, L)
C = (3.988973196332508, -4.805694059710631)