F = (7.850206297502714, -1.0375678610206291)
g = Segment((x(F) - 6, y(F)), (x(F), y(F)))
B: (x(F), y(F) + 5)
A = Point(g)
C = Mirror(A, F)
c = CircleArc(F, C, B)
e = Segment(B, F)
h = Segment(A, F)
i = Segment(F, C)
p = Segment(B, F)
q = Segment(A, F)
r = Segment(F, C)
γ = Angle(B, F, A)
δ = Angle(A, F, B)
ε = Angle(B, F, C)
C' = Point(c)
ζ = Angle(C, F, C')
f = Segment(F, C')
α = Angle(C', F, B)
D = (-1.16, -3.56)