B = (-0.7371258231574876, -0.10026092911418315)
C = (1.7564344961296599, -0.07939431556366308)
a = Segment(B, C)
c_1 = Semicircle(B, C)
A = Point(c_1)
c = Segment(A, B)
b = Segment(A, C)
e = OrthogonalLine(A, a)
H = Intersect(e, a)
h = Segment(A, H)
c' = Segment(B, H)
b' = Segment(H, C)
α = Angle(C, H, A)
β = Angle(B, A, C)