A_0 = (3.061616997868383E-16, 5)
A_1 = (-4.755282581475767, 1.5450849718747375)
A_2 = (-2.9389262614623664, -4.045084971874736)
A_3 = (2.9389262614623646, -4.045084971874738)
A_4 = (4.755282581475768, 1.545084971874736)
a = Segment(A_1, A_0)
b = Segment(A_0, A_4)
c = Segment(A_4, A_3)
d = Segment(A_3, A_2)
e = Segment(A_2, A_1)

Tool: Compas
Choisir un écartement (deux points), puis choisir un centre
Input: A, B, C
Output: c

u = Vector(A, B)
D = Translate(C, u)
c = Circle(C, D)

Tool: partage
donner une valeur à n puis choisir deux points
Input: A, B, n
Output: L'

c = Circle(A, 1)
a = Segment(A, B)
b = OrthogonalLine(A, a)
C = Intersect(c, b, 2)
u = Vector(A, C)
f(x) = x(u) + x
g(x) = y(u) + x
L_x = IterationList(f, x(A), n)
L_y = IterationList(g, y(A), n)
L = Sequence((Element[L_x, i + 1], Element[L_y, i + 1]), i, 1, n)
D_0 = Line(B, Element[L, n])
D = Sequence(Line[Element[L, i], D_0], i, 1, n)
L' = Sequence(Intersect[a, Element[D, i]], i, 1, n)