M = (1.58, 1.28)
A = (2.16, 2.92)
k = Circle(M, A)
g = Tangent(A, k)
B = Point(g)
C = Point(g)
b = Segment(A, M)
d = Segment(B, M)
e = Segment(C, M)
β = Angle(C, B, M)
α = Angle(M, B, A)
γ = Angle(b, g)