A = (-3, -1)
B = (1, 0)
C = (-3, 5)
polígono1, c, a, b = Polygon(A, B, C)
D = (6, 2)
E = (6, -1)
F = (11, -1)
G = (9, 2)
polígono2, d, e, f, g = Polygon(D, E, F, G)