2014-01-23 12:12:01 +01:00
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\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tkz-euclide}
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\usepackage{tikz}
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\usetikzlibrary{patterns}
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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{0/0/O, 1/0/X, 0/1/Y, 2/1/P}
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2014-02-16 11:46:14 +01:00
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\tkzMarkAngle[fill=green!20,size=0.3cm,opacity=.5](X,O,Y)
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\tkzLabelAngle[pos=0.15](X,O,Y){$\cdot$}
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2014-01-23 12:12:01 +01:00
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\tkzDrawLine[add=3 and 2](O,X)
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\tkzLabelLine[below,pos=3](O,X){$g_1$}
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\tkzLabelLine[right,pos=3](O,Y){$g_2$}
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\tkzDrawLine[add=3 and 2](O,Y)
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\tkzLabelPoint(P){$P$}
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\node at ($(-2,2)$){$X$};
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\tkzDrawPoints(P)
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\end{tikzpicture}
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\end{document}
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