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

% Ex. No. 61 (Section  8.4.1 : Example with  \tkzcname{tkzDefShiftPoint})

\begin{tikzpicture}[rotate=-30]
 \tkzDefPoint(2,3){A}
 \tkzDefShiftPoint[A](0:4){B}
 \tkzDefShiftPoint[A](30:4){C}
 \tkzDrawSegments(A,B B,C C,A)
 \tkzMarkSegments[mark=|,color=red](A,B A,C)
 \tkzDrawPoints(A,B,C)
 \tkzLabelPoints[above](A,C)
 \tkzLabelPoints(B)
\end{tikzpicture}

\end{document}