\input{preamble-standalone.ltx} \begin{document} % Ex. No. 207 (Section 24.8 : Option \tkzname{angles}: example 2) \begin{tikzpicture} \tkzDefPoint(0,0){O} \tkzDefPoint(5,0){I} \tkzDefPoint(0,5){J} \tkzInterCC(O,I)(I,O)\tkzGetPoints{B}{C} \tkzInterCC(O,I)(J,O)\tkzGetPoints{D}{A} \tkzInterCC(I,O)(J,O)\tkzGetPoints{L}{K} \tkzDrawArc[angles](O,I)(0,90) \tkzDrawArc[angles,color=gray,style=dashed](I,O)(90,180) \tkzDrawArc[angles,color=gray,style=dashed](J,O)(-90,0) \tkzDrawPoints(A,B,K) \foreach \point in {I,A,B,J,K}{\tkzDrawSegment(O,\point)} \end{tikzpicture} \end{document}