ordonnée = 18.54 (slider from 0 to 24, step 0.01)
abscisse = 17.34 (slider from 0 to 34, step 0.01)
A = (10.27, 10.22)
c = Circle(A, 7)
B = Point(c)
a = Segment(A, B)
b = Line(A, B)
d = Circle(A, 10)
M, M' = Intersect(d, b)
e = Circle(B, 9)
N', N'_1 = Intersect(e, b)
P: (abscisse, ordonnée)
f = Segment(P, A)
g = Segment(P, B)
texte1: "Le point P est à la distance " + f + " de A 
et à la distance " + g + " de B"