A = (4, 3)
A' = (9, 3)
Z = (0, 3)
k: Distance[Z, A'] / Distance[Z, A]
B = (6, -2)
C = (8, 1)
C' = Dilate(C, k, Z)
B' = Dilate(B, k, Z)
P, a, b, c = Polygon(B, C, A)
Q, a', e, c' = Polygon(B', C', A')
d = Ray(Z, A)
f = Ray(Z, C)
g = Ray(Z, B)