G = (8, -4)
A: (x(G) - 100, y(G))
f = Ray(G, A)
B = Point(f)
k = Segment(B, G)
H = Point(f)
L = Mirror(H, G)
stap = 10 (slider from 0 to 10, step 1)
E = Mirror(B, G)
l = Segment(G, E)
f_1 = Segment(G, H)
d_1 = Circle(H, L)
e_1 = Circle(L, H)
J, K = Intersect(d_1, e_1)
h_1 = Segment(H, J)
u = Segment(J, G)
α = Angle(J, G, H)
g_1 = Segment(H, B)
D = (1.8376155590208656, -5.694849915952528)
i_1 = Segment(J, L)
m = Segment(G, L)
n = Segment(L, E)
j = Segment(B, E)
c = Circle(G, H)
β = Angle(J, G, L)