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+\documentclass[varwidth=true, border=2pt]{standalone}
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+\usepackage{tkz-euclide}
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+
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+\begin{document}
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+\usetkzobj{all}
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+\begin{tikzpicture}
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+ \tkzSetUpPoint[shape=circle,size=10,color=black,fill=black]
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+ \tkzSetUpLine[line width=1]
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+ \tkzDefPoints{0/3/A, 4/0/B, 3/3/P, 3/0.75/G}
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+ \tkzDefLine[perpendicular=through P,/tikz/overlay](A,B)\tkzGetPoint{x}
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+ \tkzInterLL(A,B)(P,x) \tkzGetPoint{F}
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+
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+ \tkzMarkAngle[arc=l,size=0.4cm,color=red,fill=red!20](B,F,P)
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+ \tkzLabelAngle[pos = 0.2](B,F,P){$\cdot$}
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+
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+ \tkzMarkAngle[arc=l,size=0.4cm,color=red,fill=red!20](P,G,A)
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+ \tkzLabelAngle[pos = 0.2](P,G,A){$\cdot$}
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+
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+ \tkzDrawPoints(A,F,P,G)
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+
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+
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+ \tkzDrawSegments(A,B)
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+ \tkzDrawLines(A,B)
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+ \tkzDrawLine[dashed,color=orange,add=0.5 and 0.2](F,P)
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+ \tkzDrawLine[dashed,color=blue,add=0.5 and 0.2](G,P)
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+ %
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+ \tkzLabelPoint[below left](A){$A$}
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+ \tkzLabelPoint[below left](G){$G$}
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+ \tkzLabelPoint[above left](P){$P$}
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+ \tkzLabelPoint[left](F){$F$}
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+ \tkzLabelLine[below,pos=1](A,B){$g$}
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+\end{tikzpicture}
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+\end{document}
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