A = (-7, 4)
B = (-7, 0)
πολύγ.1, a, b, c, d, Γ, Δ = Polygon(A, B, 4.0)
E = Point(d)
Ζ = Point(b)
e = Line(E, Ζ)
Η = Point(a)
Θ = Point(c)
f = Line(Η, Θ)
A' = Mirror(A, f)
B' = Mirror(B, f)
Γ' = Mirror(Γ, f)
Δ' = Mirror(Δ, f)
πολύγ.1', a', b', γ', δ' = Polygon(A', B', Γ', Δ')
g = Line(A, Γ)
h = Line(Δ, B)