A = (1.82, 5.3)
B = (7.82, 5.8)
C = (11.86, 1.32)
D = (2.22, 1.28)
a = Segment(A, B)
b = Segment(B, C)
c = Segment(C, D)
d = Segment(D, A)
E = Midpoint(a)
F = Midpoint(b)
G = Midpoint(c)
H = Midpoint(d)
poli1, e, f, g, h = Polygon(E, F, G, H)