Číslo kroku

A = (-1.7136936838226497, -2.7412769717573826)
B = (7.286306316177344, -2.7412769717573826)
p_2 = Line(A, B)
C = (-2.72, 1.67)
p_1 = Line(C, p_2)
D = (-5.62, -2.27)
h = OrthogonalLine(D, p_2)
a = 0 (slider from 0 to 5, step 1)
E = Intersect(h, p_1)
F = Intersect(h, p_2)
S = LineBisector(E, F)
S_n = Point(S)
i = OrthogonalLine(S_n, p_1)
H = Intersect(i, p_1)
k_n = Circle(S_n, H)