\input{preamble-standalone.ltx} \begin{document} % Ex. No. 83 (Section 10.3.1 : Example with \tkzcname{tkzShowBB}) \begin{tikzpicture} \tkzDefPoint(0,0){A} \tkzDefPoint(3,3){B} \tkzDefPoint(1,1){C} \tkzSetBB(A)(2,2) \tkzDrawSegment(A,B) \tkzDrawPoints(A,C) \tkzShowBB \end{tikzpicture}right \end{document}