A = (-0.4, 2.86)
B = (10.3, 2.86)
a = Line(A, B)
C = (6.1000000000000005, -0.18)
b = Line(C, a)
H = Point(a)
K = Point(a)
L = Point(b)
M = Point(b)
N = Point(a)
poly3, k, l, m, n = Polygon(K, L, M, N)