9 GM 41 : Périmètres ou aires ?  ex. a)
Author: Frédéric Chanez

Découpe

Dimensions

Périmètres

Aires

A = (-4, 0)
C = (10, 8)
B = Midpoint(A, C)
c = Circle(B, C)
D = (26, 0)
a = Line(A, D)
E = Intersect(c, a, 2)
b = Line(E, B)
F = Intersect(c, b, 2)
poly1, a_1, e, c_1, f = Polygon(A, E, C, F)
G = Midpoint(f)
H = Midpoint(c_1)
I = Midpoint(A, E)
J = Midpoint(C, E)
poly2, g, j, c_2, f_1 = Polygon(G, J, C, F)
K = (10, 0)
u = Vector(G, K)
G' = Translate(G, u)
J' = Translate(J, u)
C' = Translate(C, u)
F' = Translate(F, u)
poly2', g', j', c', f' = Polygon(G', J', C', F')
poly3, a_2, e_1, j_1, g_1 = Polygon(A, E, J, G)
d = true
h = Segment(F, C)
i = Segment(F, A)
k = false
l = Segment(A, J')
m = Segment(C', J')
p_1: 2 * h + 2 * i
p_2: 2 * m + 2 * l
texte2: "Périmètre_2 = 2∙(" + l + "+" + m + ") = " + p_2 + " cm"
texte1: "Périmètre_1 = 2∙(" + h + "+" + i + ") = " + p_1 + " cm"
n = true
s_1: h * i
s_2: m * l
texte4: "Aire_2 = " + l + "·" + m + " = " + s_2 + " cm²"
o = true
poly4, a_3, f_2, c_3, e_2 = Polygon(A, F, C, E)
texte3: "Aire_1 = " + h + " ∙ " + i + " = " + s_1 + " cm²"