1)  \; Zostrojíme \;  trojuholník \;  AA_0C 

2) \; Zostrojíme \; stred \;A_1 \; strany \; BC \;  s \; vlastnosťou
\    \;  \;  \;  \; A_1∈ \overrightarrow{CA_0} ∩k,  \; kde  \; k=(A,t_a) 

3) \; Zostrojíme \;  bod  \; B\;  s \; vlastnosťou
\    \;  \;  \;  \; B∈ \overrightarrow{CA_0} ∩k',  \; kde  \; k'=(A_1,r'=A_1C) 

4) \; Trojuholník \;  ABC

v_a = 5 (slider from 0.5 to 10, step 0.1)
t_a = 5.5 (slider from 0.5 to 10, step 0.1)
A = (-5, -1)
S = (-0.56, -0.9)
K = (1, 4)
f = Ray(A, K)
c = Circle(A, v_a)
A_0 = Intersect(c, f, 1)
g = OrthogonalLine(A_0, f)
d = Circle(S, A)
C = Intersect(d, g, 2)
t1, c_1, a, a_0 = Polygon(A, A_0, C)
e = Circle(A, t_a)
A_1 = Intersect(e, g, 1)
h = Circle(A_1, C)
B = Intersect(h, g, 2)
t2, c_2, a_1, b = Polygon(A, B, C)