A = (-1.38, -4.799999999999997)
B = (8.619999999999997, -4.799999999999997)
poly1, a, b, c, d, C, D = Polygon(A, B, 4)
E = Midpoint(c)
F = Midpoint(b)
G = Midpoint(a)
H = Midpoint(d)