A = (0.06, -0.7)
B = (1.78, -0.6)
poly1, lato, b, c, d, e, f, g, h, i, j, k, l, C, D, E, F, G, H, I, J, K, L = Polygon(A, B, 12)
diametro = Segment(A, F)
latoRelRaggio: lato / (diametro / 2)