Pi

Pi'

Proiezione di r

A = (-9.979816009353272, -1.8234354043311072, 7.102997470572689)
B = (3.541579222993592, -13.522461751845851, -1.1142322964618074)
r = Line(B, A)
C = (-4.175883564586178, 2.9704779405776094, 3.445549771092674)
g = Line(A, C)
D = (2.9118993430693068, -2.7422598438674317, 8)
s = Line(D, g)
i = Line(D, r)
p = Plane(C, A, B)
q = Plane(D, p)
j = OrthogonalLine(A, p)
k = OrthogonalLine(B, p)
A' = Intersect(j, q)
B' = Intersect(k, q)
r' = Line(B', A')
S = Intersect(s, r')
m = OrthogonalLine(S, q)
R = Intersect(r, m)