l'arête A

animer B

A_1 = (-1.1800000000000002, -0.88)
B_1 = (1.64, 3.66)
a = Segment(A_1, B_1)
b = OrthogonalLine(A_1, a)
c = OrthogonalLine(B_1, a)
C = Point(b)
d = OrthogonalLine(C, b)
D = Intersect(c, d)
poly1, a_1, b_1, d_1, c_1 = Polygon(A_1, B_1, D, C)
e = Circle(A_1, C)
B = Point(e)
f = Segment(A_1, B)
g = Line(B_1, f)
h = Line(B, a)
F = Intersect(g, h)
poly2, a_2, e_1, f_1, b_2 = Polygon(A_1, B, F, B_1)
G = Point(poly1)
i = OrthogonalLine(G, d_1)
j = Line(G, f_1)
H = Intersect(j, e_1)
I = Intersect(i, d_1)
k = Segment(I, G)
l = Segment(G, H)
α = Angle(I, G, H)
β = Angle(A_1, G, I)
J = Point(l)
K = Point(a)
m = Line(J, e_1)
n = Line(K, f_1)
L = Intersect(m, n)
p = Segment(K, L)
q = Segment(L, J)