Plan R1

Plan R2

Plan R3

Intersection des plans R1 et R2

Intersection des plans R2 et R3

Intersection des plans R1 et R3

a = false
f = IntersectPath(R1, R2)
g = IntersectPath(R1, R3)
h = IntersectPath(R2, R3)
b = false
c = false
d = false
e = false
i = false