O = (1.44, 0.56)
B = (-1.78, 2.64)
c = Circle(O, B)
a = Ray(B, O)
A = Intersect(c, a, 2)
b = Segment(B, A)
C = Point(c)
d = Segment(B, C)
e = Segment(C, A)
α = Angle(B, C, A)
D = (12.16, 0.38)
E = (7.5, 2.08)
f = Circle(D, E)
F = Point(f)
G = Point(f)
g = Segment(E, G)
h = Segment(G, F)
i = Segment(F, E)
β = Angle(E, G, F)
γ = Angle(F, E, G)
δ = Angle(G, F, E)