étape 1

étape 2

O = (4.421861235912071, 3.087297269254238)
k = Circle(O, 8)
A = PointIn(k)
a = LineBisector(A, O)
c = Circle(A, 4)
C = Intersect(c, a, 2)
B = Mirror(A, C)
b = Segment(B, A)
d = Segment(C, O)
e = Line(O, b)
f = Line(B, d)
g = Circle(B, Segment[B, A])
A' = Intersect(g, f, 2)
D = Intersect(e, f)
h = Segment(B, A')
i = Segment(D, O)
poly1, a_1, o, d_1, c_1 = Polygon(A, O, D, C)
poly2, c_2, o_1, a', d_2 = Polygon(C, O, A', D)
j = false
l = false