A = (-2.016431384309811, 3.7859245529766326)
B = (-0.7892987743423088, 5.170381856529711)
C = (2.6246470764647154, 4.918662346792789)
D = (2.372927566727792, 1.6305762508542252)
E = (-1.3084702631747138, 1.0484748845875898)
poly1, a, b, c, d, e = Polygon(A, B, C, D, E)
f = Ray(B, A)
g = Ray(A, E)
h = Ray(E, D)
i = Ray(D, C)
j = Ray(C, B)
α = Angle(j, f)
β = Angle(f, j)
γ = Angle(f, g)
δ = Angle(g, f)
ε = Angle(g, h)
ζ = Angle(h, g)
η = Angle(h, i)
θ = Angle(i, h)
ι = Angle(i, j)
κ = Angle(j, i)