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\input{preamble-standalone.ltx}
\begin{document}
% Ex. No. 196 (Section 29.1.2 : version revue "Tangente")
\begin{tikzpicture}[scale=.8,rotate=60]
\tkzDefPoint(6,0){X} \tkzDefPoint(3,3){Y}
\tkzDefShiftPoint[X](-110:6){A} \tkzDefShiftPoint[X](-70:6){B}
\tkzDefShiftPoint[Y](-110:4.2){A'} \tkzDefShiftPoint[Y](-70:4.2){B'}
\tkzDefPointBy[translation= from A' to B ](Y) \tkzGetPoint{Y}
\tkzDefPointBy[translation= from A' to B ](B') \tkzGetPoint{C}
\tkzInterLL(A,B)(X,Y) \tkzGetPoint{O}
\tkzDefMidPoint(X,Y) \tkzGetPoint{I}
\tkzDefPointWith[orthogonal](I,Y)
\tkzInterLL(I,tkzPointResult)(A,B) \tkzGetPoint{Z}
\tkzDefCircle[circum](X,Y,B) \tkzGetPoint{O}
\tkzDrawCircle(O,X)
\tkzDrawLines[add = 0 and 1.5](A,C) \tkzDrawLines[add = 0 and 3](X,Y)
\tkzDrawSegments(A,X B,X B,Y C,Y) \tkzDrawSegments[color=red](X,Z Y,Z)
\tkzDrawPoints(A,B,C,X,Y,O,Z)
\tkzLabelPoints(A,B,C,Z) \tkzLabelPoints[above right](X,Y,O)
\end{tikzpicture}
\end{document}
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