A = (9.26, 1.92)
B = (6.78, -1.52)
C = (11.92, -1.26)
O = Midpoint(A, C)
D = Mirror(B, O)
poly1, b, c, d, a = Polygon(B, C, D, A)
e = Segment(B, D)
f = Segment(C, A)
g = Distance(c, b)
h = Distance(a, d)
i = Distance(e, f)
texte1: "Somme des carrés des côtés :
AB²+BC²+CD²+AD²
=" + (a^(2)) + "+" + (b^(2)) + "+" + (c^(2)) + "+" + (d^(2)) + "
=" + (a^(2) + b^(2) + c^(2) + d^(2)) + ""
texte2: "Somme des carrés des diagonales :
AC²+BD²
=" + (f^(2)) + "+" + (e^(2)) + "
=" + (f^(2) + e^(2)) + ""
texte3: "AC=" + f + ""
texte4: "BD=" + e + ""