\input{preamble-standalone.ltx} \begin{document} % Ex. No. 215 (Section 26.1.2 : Option \tkzname{delta}) \begin{tikzpicture} \tkzDefPoint(0,0){A} \tkzDefPoint(5,0){B} \tkzInterCC[R](A,4cm)(B,3cm) \tkzGetPoints{C}{D} \tkzDrawPoints(A,B,C) \tkzCompass[color=red,delta=20](A,C) \tkzCompass[color=red,delta=20](B,C) \tkzDrawPolygon(A,B,C) \tkzMarkAngle(A,C,B) \end{tikzpicture} \end{document}