hauteur = 5 (slider from 0 to 10, step 1)
rayon = 1.6 (slider from 0 to 5, step 0.1)
A = (-1.343082615931791, 0.8202700767878416)
c = Circle(A, rayon)
a, d, b = Cylinder(c, hauteur)
airec = Area(c)
Pointc = PointIn(c)
volumea = Volume(a)
e = Volume(a)
f = Volume(a)
Textec: "Aire du disque = " + (rayon^(2)) + " π cm²
                          ≈  " + airec + " cm²"
texte3: "Volume \;  du  \; cylindre = " + (LaTeX[(rayon^(2) * hauteur)]) + " π \;  cm^3
                                  \\   \;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;  ≈  " + (LaTeX[f]) + " \;  cm^3"
C = (1.2104947627987046, -3.61077560662832, 3.540936082326856)