\input{preamble-standalone.ltx} \begin{document} % Ex. No. 65 (Section 10.1.6 : Option \tkzname{orthogonal} more complicated example) \begin{tikzpicture}[scale=.75] \tkzDefPoints{0/0/A,6/0/B} \tkzDefMidPoint(A,B) \tkzGetPoint{I} \tkzDefPointWith[orthogonal,K=-.75](B,A) \tkzGetPoint{C} \tkzInterLC(B,C)(B,I) \tkzGetPoints{D}{F} \tkzDuplicateSegment(B,F)(A,F) \tkzGetPoint{E} \tkzDrawArc[delta=10](F,E)(B) \tkzInterLC(A,B)(A,E) \tkzGetPoints{N}{M} \tkzDrawArc[delta=10](A,M)(E) \tkzDrawLines(A,B B,C A,F) \tkzCompass(B,F) \tkzDrawPoints(A,B,C,F,M,E) \tkzLabelPoints(A,B,C,F,M,E) \end{tikzpicture} \end{document}