O = (2.810257104194857, -0.6255751014884969)
B = (6.180703653585927, -3.164952638700946)
c = Circle(O, B)
K = (3.779837618403247, 2.5140189445196217)
H = (9.34338294993234, -2.0799458728010816)
a = Segment(O, K)
b = Segment(O, H)
d = Segment(K, H)
α = Angle(O, K, H)
β = Angle(K, H, O)