\vec n

\vec{a}_{\vec n}

=\vec{p}_{\vec n}

\vec a

\vec p

\vec p-\vec a

gl1: (3 * x) + (2 * y) + (4 * z) = 11
n = Vector((3, 2, 4))
A = PointIn(gl1)
a = Vector(A)
P = PointIn(gl1)
ap = Vector(A, P)
na = Vector(A, A + n)
an: (((a * n)) / ((n * n)) * n)
w = Vector(P)
H: an
f = Segment(P, H)
g = Segment(A, H)
ah = Vector(A, H)
O: (0, 0, 0)
b: abs(an)
c: (n * n)
d: (n * n)
N: (3, 2, 4)
α = Angle(N, H, A)
β = Angle(P, H, N)
B = (-4.050531436747987, 3.368084721579569)
C = (-0.9724184797212656, 3.368084721579569)