J: (-1, -15)
H = (-2, -15)
I = Mirror(H, J)
O = Mirror(J, I)
d = Semicircle(H, I)
I' = Point(d)
P = Mirror(J, I')
κ = Angle(O, J, P)
J_1: (-1, -17)
h = Circle(J_1, 2)
S = (-5.259329374164377, -11.966020932815606)
B = (-8, -16)
r = Segment(B, S)
e = Line(J_1, r)
D = Intersect(h, e, 2)
D' = Rotate(D, (-κ), J_1)
κ_1 = Angle(D, J_1, D')
B' = Rotate(B, (-(90° - κ_1)), S)
i = Ray(S, B')
S' = Rotate(S, (-κ_1), B)
S'' = Mirror(S', B)
m = Segment(S', S'')
f = OrthogonalLine(B, m)
A = Intersect(i, f)
c = Circle(A, B)
C = Intersect(c, f, 2)
n = Segment(C, A)
p = Segment(A, B)
stap = 8 (slider from 0 to 8, step 1)
L = (-14.096556032481349, -18.430957217605783)
N = Mirror(J, H)
α = Angle(S, B, S')
β = Angle(B', S, B)
j = Segment(S, A)
γ = Angle(S, B, A)
δ = Angle(A, B, S'')