Volume = 1000 cm³

r = 5 (slider from 1 to 20, step 0.1)
A = (0, 0, 0)
B: (0, 0, 1000 / (((π * r) * r)))
a, c, d, b = Cylinder(A, B, r)
texte1: "Rayon = " + r + " cm"
texte2: "Hauteur = " + (1000 / (((π * r) * r))) + " cm"