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

% Ex. No. 19 (Section  4.2.3 : Parallelogram)

\begin{tikzpicture}
 \tkzDefPoint(0,0){A}
 \tkzDefPoint(60:3){B}
 \tkzDefShiftPointCoord[B](30:4){C}
 \tkzDefShiftPointCoord[A](30:4){D}
 \tkzDrawPolygon(A,...,D)
 \tkzDrawPoints(A,...,D)
\end{tikzpicture}

\end{document}
