Author: Alfred Nussbaumer

A = (-1.16, -1.94)
B = Point(Circle[A, 6.0])
c = Segment(A, B)
A' = Rotate(A, 315.0°, B)
β = Angle(A', B, A)
b = Ray(B, A')
c_1 = Circle(A, 4.5)
C_2, C_1 = Intersect(c_1, b)
a = Segment(A, C_2)
α = Angle(B, A, C_2)
δ = Angle(A, C_2, B)
d = Segment(A, C_1)
γ = Angle(B, A, C_1)
ε = Angle(A, C_1, B)