Krok

S_1 = (8.06, -2.92)
B = (17.6, -2.94)
k_1 = Circle(S_1, B)
S_2 = (11.24, -3.06)
D = (14.46, 0.16)
k_2 = Circle(S_2, D)
f = Ray(S_1, S_2)
E = Intersect(k_2, f, 1)
F = Intersect(k_1, f, 1)
G = Midpoint(E, F)
e = Ellipse(S_1, S_2, G)
a = 0 (slider from 0 to 5, step 1)