O = (11.17, -1.61)
B = (3.94, 0.46)
A = (5.89, -0.83)
A' = Mirror(A, O)
i = Segment(A, O)
j = Segment(O, A')
c = Circle(A, B)
c' = Mirror(c, O)
f = Segment(A, B)
B' = Mirror(B, O)
g = Segment(A', B')
texte1: "Rayon \;du\; cercle\; de\; centre\; A\; =" + (LaTeX[f]) + "\; cm "
a = false
texte2: "Rayon \;du\; cercle\; de\; centre\; A'\; = " + (LaTeX[g]) + "\; cm"