Uključite animaciju u lijevom donjem kutu.[br]Formula za izračun broja dijagonala: [math]D\left(n\right)=\frac{n\left(n-3\right)}{2}[/math]

[list][*][size=200][size=150][color=#ff0000]n[/color] = 30[/size][size=100][size=150][/size][/size][/size][/*][*][size=200][size=100][size=150][color=#9900ff]α[/color] = 360° / [color=#ff0000]n[/color][/size][/size][/size][/*][*][size=200][size=100][size=150][color=#0000ff]lista1[/color] = Niz[Rotacija[A, i [color=#9900ff]α[/color]], i, 0, [color=#ff0000]n[/color] - 1][/size][/size][/size][/*][*][size=200][size=100][size=150][color=#1e84cc]lista2[/color] = Niz(Niz(Dužina([color=#0000ff]lista1([/color]i), [color=#0000ff]lista1([/color]j)), j, 1, i), i, 1, [color=#ff0000]n)[/color][/size][/size][/size][/*][/list]