F = (-1, 2)
G = (3, 2)
f = Ray(F, G)
I = (-1, 6)
g = Segment(F, I)
H = (3, 6)
h = Segment(I, H)
i = Segment(H, G)
J = (5, 10)
j = Segment(I, J)
k = Segment(J, H)