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\input{preamble-standalone.ltx}
\begin{document}
% Ex. No. 248 (Section 31.3.1 : Use of \tkzcname{tkzSetUpCompass} with bisector)
\begin{tikzpicture}[scale=0.75]
\tkzDefPoints{0/1/A, 8/3/B, 3/6/C}
\tkzDrawPolygon(A,B,C)
\tkzSetUpCompass[color=red,line width=.2 pt]
\tkzDefLine[bisector](A,C,B) \tkzGetPoint{c}
\tkzDefLine[bisector](B,A,C) \tkzGetPoint{a}
\tkzDefLine[bisector](C,B,A) \tkzGetPoint{b}
\tkzShowLine[bisector,size=2,gap=3](A,C,B)
\tkzShowLine[bisector,size=2,gap=3](B,A,C)
\tkzShowLine[bisector,size=1,gap=2](C,B,A)
\tkzDrawLines[add=0 and 0 ](B,b)
\tkzDrawLines[add=0 and -.4 ](A,a C,c)
\tkzLabelPoints(A,B) \tkzLabelPoints[above](C)
\end{tikzpicture}
\end{document}
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