a: 2
k: 2
M: (0, 0)
c = Circle(M, k)
A = (4, 0.92)
A' = Mirror(A, c)
f = Line(M, A)
B_1 = (2.08, 2.94)
g = OrthogonalLine(A', f)
B', B = Intersect(c, g)
Vieleck1, d, o, a_1 = Polygon(M, A, B)
α = Angle(B, A', M)
β = Angle(M, B, A)
e = Semicircle(M, A)
h = Line(B, A)
i = Segment(B, M)