Plans (BAI) et (BCD)

L'intersection des plans (BAI) et (BCD) 
est la droite (BE)

Intersection de (BAI) et (BCD)

A = (3, 0, 0.16995422889706102)
B = (0, 3, -8.881784197001252E-16)
C = (-1, -2, 0)
poly1, c, a, b = Polygon(A, B, C)
D = (0, 0, 3)
d, faceABD, faceBCD, faceACD, arêteAD, arêteBD, arêteCD = Pyramid(poly1, D)
I = PointIn(faceACD)
e = Line(A, I)
E = Intersect(arêteCD, e)
f = Line(B, E)
g = Plane(B, A, I)
h = Plane(B, C, D)
i = false
j = Line(B, E)
k = Segment(A, E)
l = false