Postupne zostrojíme:

AB

2.  \text{ Bod }A' \text{ na predĺžení úsečky }AA_1: A_1A' = t_a

t_a = 5 (slider from 1 to 10, step 0.1)
γ = 0.8726646259971648 rad (slider from 0 to 180°, step 5°)
c = 9 (slider from 4 to 12, step 0.1)
text1: " \text{Zostrojte trojuholník }ABC \text{, pre ktorý je dané: }AB =" + (LaTeX[c]) + "   , t_a = " + (LaTeX[t_a]) + " , γ = " + (LaTeX[γ]) + " "
A = (-2.208199953584348, -1.7325812609384437)
A_1 = Point(Circle[A, t_a])
g = Segment(A, A_1)
text9: "1.  \text{ Úsečku } AA_1 = t_a  = " + (LaTeX[t_a]) + "  "
f = Ray(A, A_1)
d = Circle(A_1, A)
A' = Intersect(d, f, 2)
K' = Rotate(A', γ, A_1)
L = Midpoint(A_1, A')