\input{preamble-standalone.ltx} \begin{document} % Ex. No. 76 (Section 11.5 : Random point on a circle) \begin{tikzpicture} \tkzInit[xmax=5,ymax=5] \tkzGrid \tkzDefPoints{3/2/A,1/1/B} \tkzCalcLength[cm](A,B) \tkzGetLength{rAB} \tkzDrawCircle[R](A,\rAB cm) \tkzDefRandPointOn[circle = center A radius \rAB cm]\tkzGetPoint{a} \tkzDrawSegment(A,a) \tkzDrawPoints(A,B,a) \tkzLabelPoints(A,B,a) \end{tikzpicture} \end{document}