Φ= \frac{ 1+ \sqrt{ 5 }  }{ 2} \; ≅ \; 1,618 \; (Número  \; de \;  oro)

Rectángulo de oro

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
polígono1, a, b, c, d, C, D = Polygon(A, B, 4.0)
E = Midpoint(a)
e = Segment(E, C)
f = Circle(E, C)
F, G = Intersect(f, xAxis)
P: G
I = (1.8362631366163706, -0.39168133044783193)
u = Vector(G, I)
g = OrthogonalLine(G, xAxis)
h = OrthogonalLine(D, yAxis)
H = Intersect(g, h)
polígono2, a_1, g_1, h_1, d_1 = Polygon(A, G, H, D)