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

% Ex. No. 174 (Section 23.2.1 : \tkzcname{tkzFillSector} et \tkzname{towards})

\begin{tikzpicture}[scale=.6]
  \tkzDefPoint(0,0){O}
  \tkzDefPoint(-30:3){A}
  \tkzDefPointBy[rotation = center O angle -60](A)
  \tkzFillSector[fill=red!50](O,A)(tkzPointResult)
  \begin{scope}[shift={(-60:1cm)}]
   \tkzDefPoint(0,0){O}
   \tkzDefPoint(-30:3){A}
   \tkzDefPointBy[rotation = center O angle -60](A)
   \tkzFillSector[color=blue!50](O,tkzPointResult)(A)
\end{scope}
\end{tikzpicture}

\end{document}
