1 cm²

Mireille : "L'aire du triangle bleu est ..."

A_{1} = (-10, 3)
B_{1} = (-9, 3)
C_{1} = (-9, 2)
D = (-10, 2)
q1, a, b, c, d = Polygon(A_{1}, B_{1}, C_{1}, D)
A = (-8, 1)
B = (-8, -2)
C = (-2, -2)
t1, g, e, f = Polygon(A, B, C)
h = true
texte2: "L'aire du triangle bleu est : " + t1 + " cm²."