A = (-0.9569047619047598, 3.410228571428571)
M = (-1.8214209523809506, 1.6254209523809517)
f = Line(A, M)
B = Point(f)
C = (-4.387081904761904, 5.111373333333334)
g = Line(A, C)
h = Line(B, C)
i = Line(M, h)
N = Intersect(g, i)
etapes = 2 (slider from 0 to 5, step 1)
α = Angle(M, A, N)
β = Angle(B, A, C)
γ = Angle(C, B, A)
δ = Angle(N, M, A)
ε = Angle(A, C, B)
ζ = Angle(A, N, M)