\input{preamble-standalone.ltx} \begin{document} % Ex. No. 17 (Section 1.6.1 : Let's look at a classic example) \begin{tikzpicture}[scale=.5] % fixed points \tkzDefPoint(0,0){A} \tkzDefPoint(5,2){B} % calculus \tkzInterCC(A,B)(B,A) \tkzGetPoints{C}{D} % drawings \tkzDrawCircles[gray,dashed](A,B B,A) \tkzDrawPolygon(A,B,C) \tkzDrawPoints(A,...,D) % marking \tkzMarkSegments[mark=s||](A,B B,C C,A) % labelling \tkzLabelSegments[swap](A,B){$c$} \tkzLabelPoints(A,B,D) \tkzLabelPoints[above](C) \end{tikzpicture} \end{document}