O = (-0.28, 0.02)
Y = (3.8000000000000003, 3.86)
a = Segment(O, Y)
X = (5.86, -0.14)
b = Segment(O, X)
α = Angle(X, O, Y)
Z = (-1.46, 5.0200000000000005)
c = Segment(O, Z)
β = Angle(Y, O, Z)