Ville2 = (-2.5385967991965166, 1.7177442275262316)
Ville1 = (-6.618596799196517, -1.4022557724737685)
Ville3 = (-0.9785967991965165, -2.2822557724737687)
t1, c, a, b = Polygon(Ville2, Ville1, Ville3)
poly1, f, g, h, A = Polygon(Ville1, Ville2, 3)
poly2, i, j, k, B = Polygon(Ville2, Ville3, 3)
poly3, l, m, n, C = Polygon(Ville3, Ville1, 3)
p = Segment(Ville2, C)
q = Segment(B, Ville1)
r = Segment(A, Ville3)
D = Intersect(p, q)
s = Segment(D, Ville1)
t = Segment(D, Ville2)
d = Segment(D, Ville3)
α = Angle(Ville3, D, Ville2)
β = Angle(Ville2, D, Ville1)
γ = Angle(Ville1, D, Ville3)