\text{Bod }A∈k\text{ (ľubovoľne)}

r

S = Intersect(xAxis, yAxis)
a = 9 (slider from 4 to 12, step 0.1)
text5: "\text{Veľkosť strany }\triangle ABC: a=" + (LaTeX[a]) + ""
r: (a * sqrt(3) / 3)
text1 = SurdText(r)
text2: "\text{Opísaná kružnica } \triangle ABC:k(S, r =\frac{a\sqrt{3}}{3}= " + (LaTeX[text1]) + " )"
c = Circle(S, r)
A = Point(c)
f = Segment(S, A)