O = (1.3, 1.96)
c = Circle(O, 2)
A = Point(c)
B = Point(c)
M = Point(c)
d = Ray(M, A)
e = Ray(M, B)
f = CircleArc(O, A, B)
δ = Angle(d, e)
β = Angle(B, M, A)
g, h = AngularBisector(e, d)
C = Point(g)
i = Ray(M, C)
I = Intersect(c, i, 2)
j = Segment(B, A)
k = Segment(I, A)
l = Segment(I, B)