\input{preamble-standalone.ltx} \begin{document} % Ex. No. 129 (Section 17.3.3 : Construction of the golden rectangle ) \begin{tikzpicture}[scale=.5] \tkzInit[xmax=14,ymax=10] \tkzClip[space=1] \tkzDefPoint(0,0){A} \tkzDefPoint(8,0){B} \tkzDefMidPoint(A,B)\tkzGetPoint{I} \tkzDefSquare(A,B)\tkzGetPoints{C}{D} \tkzDrawSquare(A,B) \tkzInterLC(A,B)(I,C)\tkzGetPoints{G}{E} \tkzDrawArc[style=dashed,color=gray](I,E)(D) \tkzDefPointWith[colinear= at C](E,B) \tkzGetPoint{F} \tkzDrawPoints(C,D,E,F) \tkzLabelPoints(A,B,C,D,E,F) \tkzDrawSegments[style=dashed,color=gray]% (E,F C,F B,E) \end{tikzpicture} \end{document}