\input{preamble-standalone.ltx} \begin{document} % Ex. No. 172 (Section 20.3.5 : With the option \tkzimp{with nodes}) \begin{tikzpicture}[scale=.5] \tkzDefPoints{0/0/a,0/5/B,5/0/C} \tkzDefPoint(54:5){F} \tkzDrawCircle[color=gray](A,C) \tkzInterCC[with nodes](A,A,C)(C,B,F) \tkzGetPoints{a}{e} \tkzInterCC(A,C)(a,e) \tkzGetFirstPoint{b} \tkzInterCC(A,C)(b,a) \tkzGetFirstPoint{c} \tkzInterCC(A,C)(c,b) \tkzGetFirstPoint{d} \tkzDrawPoints(a,b,c,d,e) \tkzDrawPolygon[color=red](a,b,c,d,e) \foreach \vertex/\num in {a/36,b/108,c/180, d/252,e/324}{% \tkzDrawPoint(\vertex) \tkzLabelPoint[label=\num:$\vertex$](\vertex){} \tkzDrawSegment[color=gray,style=dashed](A,\vertex) } \end{tikzpicture} \end{document}