A = (2, 5)
B = (5, 5)
a = Line(A, B)
Δ = (1, 3)
b = Line(Δ, a)
c = Line(A, Δ)
d = Line(B, c)
Γ = Intersect(b, d)
πολύγ.1, a_1, b_1, γ, δ = Polygon(A, B, Γ, Δ)
e = Line(A, Γ)
f = Line(Δ, B)
A'_1 = Mirror(A, e)
B'_1 = Mirror(B, e)
Γ'_1 = Mirror(Γ, e)
Δ'_1 = Mirror(Δ, e)
πολύγ.1'_1, a', b', γ', δ' = Polygon(A'_1, B'_1, Γ'_1, Δ'_1)
A' = Mirror(A, f)
B' = Mirror(B, f)
Γ' = Mirror(Γ, f)
Δ' = Mirror(Δ, f)
πολύγ.1', a'_1, b'_1, γ'_1, δ'_1 = Polygon(A', B', Γ', Δ')