Déplacer le point M

O = (0, 0)
I = (1, 0)
J = (0, 1)
A = (0, 3)
M = Point(xAxis)
a = Segment(A, M)
b = OrthogonalLine(A, a)
N = Intersect(b, xAxis)
texte1: "x = " + (x(M))
texte2: "y  =" + (x(N))
c = Segment(N, A)
α = Angle(N, A, M)