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

% Ex. No. 205 (Section 24.6 : Option \tkzname{delta})

\begin{tikzpicture}
 \tkzDefPoint(0,0){A}
 \tkzDefPoint(5,0){B}
 \tkzDefPointBy[rotation= center A angle 60](B)
 \tkzGetPoint{C}
 \tkzSetUpLine[color=gray]
 \tkzDefPointBy[symmetry= center C](A)
 \tkzGetPoint{D}
 \tkzDrawSegments(A,B A,D)
 \tkzDrawLine(B,D)
 \tkzSetUpCompass[color=orange]
 \tkzDrawArc[orange,delta=10](A,B)(C)
 \tkzDrawArc[orange,delta=10](B,C)(A)
 \tkzDrawArc[orange,delta=10](C,D)(D)
 \tkzDrawPoints(A,B,C,D)
 \tkzLabelPoints(A,B,C,D)
 \tkzMarkRightAngle(D,B,A)
\end{tikzpicture}

\end{document}