\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 24 (Section  4.1.3 : Polar coordinates )

\begin{tikzpicture}
  \foreach \an [count=\i] in {0,60,...,300}
   { \tkzDefPoint(\an:3){A_\i}}
  \tkzDrawPolygon(A_1,A_...,A_6)
  \tkzDrawPoints(A_1,A_...,A_6)
\end{tikzpicture}

\end{document}