A = (6.573890301998854, -0.30027762770628447)
B = (7.251357624500718, -0.49916711688113763)
a = Segment(A, B)
I = Midpoint(a)
c = Circle(I, B)
C = Point(c)
α = Angle(A, C, B)
b = Segment(A, C)
d = Segment(B, C)