A = (-4, 0)
B = (-1.7, 0)
C = (-1.86, 0.56)
a = Ray(A, B)
b = Ray(A, C)
D = (-4, 2)
E = (-2.08, 1.42)
F = (-1.78, 1.6)
c = Ray(D, E)
d = Ray(D, F)
G = Intersect(a, c)
H = Intersect(a, d)
I = Intersect(b, d)
J = Intersect(b, c)
poly1, g, h, i, j = Polygon(G, H, I, J)