S = Intersect(xAxis, yAxis)
a = 6 (slider from 1 to 10, step 0.1)
text5: "\text{Veľkosť strany }\triangle ABC: a=" + (LaTeX[a]) + ""
r: (a * sqrt(3) / 3)
text1 = SurdText(r)
text2: "\text{Polomer opísanej }\triangle ABC:r=" + (LaTeX[text1]) + ""