jblaise@ac-amiens.fr

Analyse de la vidéo: 

https://www.youtube.com/watch?v=sGrTWKWzaNQ

r = 4.21 (slider from 3.5 to 4.5, step 0.01)
A = Intersect(xAxis, yAxis)
c = Circle(A, r)
B = Intersect(c, yAxis, 2)
d = Circle(B, 6)
C = Intersect(c, d, 2)
e = Circle(B, 8)
D = Intersect(c, e, 1)
f = Line(B, C)
g = Line(C, D)
h = Line(D, B)
i, j = AngularBisector(h, f)
k, l = AngularBisector(f, g)
E = Intersect(j, l)
m = OrthogonalLine(E, f)
F = Intersect(f, m)
p = Circle(E, F)
n = Segment(E, F)
agg: r / n
E' = Dilate(E, agg, B)
q = Circle(E', r)
E'_1 = Dilate(E, agg, C)
s = Circle(E'_1, r)
E'_2 = Dilate(E, agg, D)
t = Circle(E'_2, r)
G = Intersect(q, s, 2)
a = OrthogonalLine(G, g)
H = Intersect(g, a)
b = Segment(G, H)
I = Intersect(s, t, 2)
f_1 = OrthogonalLine(I, g)
J = Intersect(g, f_1)
g_1 = Segment(I, J)
texte1: "La solution 1 de la vidéo est : " + b + "
La solution 2 de la vidéo est : " + g_1 + ""
texte2: "Le rayon du couvercle de Nutella est d'environ : r=" + r + ""