k = 1 (slider from 1 to 10, step 1)
A = (-14.535151377983071, 4.567338641243774)
B: A + (4.0 * k, 0.0)
C: A + (0.0, 3.0 * k)
D: A + (4.0 * k, 3.0 * k)
polígono1, a, b, d, c = Polygon(A, B, D, C)
Textopolígono1: "Área = " + polígono1