O = (128.32386921328927, 208.71110313852975)
B = (234.8128377305178, 208.35965439754878)
a = Segment(O, B)
A = (174.36365428179403, 288.4899673412059)
b = Segment(O, A)
I = (232.35269654365112, 233.3125150071964)
c = Segment(O, I)
α = Angle(B, O, A)
β = Angle(B, O, I)