Α = (-1.0144976436035795, 2.3125988661976664)
Β = (5.474322792159011, 3.271276552148078)
Γ = (6.1805587050064945, -3.009715183389111)
Δ = (-3.391191858479613, -2.108137422307218)
q1, α, β, γ, δ = Polygon(Α, Β, Γ, Δ)
ε = Angle(Α, Β, Γ)
ζ = Angle(Β, Γ, Δ)
η = Angle(Γ, Δ, Α)
θ = Angle(Δ, Α, Β)