Chapitre 5 exo 71 le 31-5-19

h(x) = If[-6 ≤ x ≤ 6, (-2 / 9 * x^(2)) + 8]
a = 1.3 (slider from -6 to 6, step 0.1)
A: (-6, 0)
B: (a, 0)
C: (a, h(a))
AireABC, c, a_1, b = Polygon(A, B, C)
texte1 = LaTeX(AireABC, true, true)