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21 lines
834 B
TeX
21 lines
834 B
TeX
\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tikz}
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\usetikzlibrary{patterns}
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\begin{document}
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\begin{tikzpicture}
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\tikzstyle{point}=[circle,thick,draw=black,fill=black,inner sep=0pt,minimum width=4pt,minimum height=4pt]
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\node (z)[point] at (0,0) {};
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\node (a)[point] at (90:1cm) {};
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\node (b)[point] at (210:1cm) {};
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\node (c)[point] at (330:1cm) {};
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\path (z.center) edge (a.center);
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\path (z.center) edge (b.center);
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\path (z.center) edge (c.center);
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\draw (a.center) -- (b.center) -- (c.center) -- cycle;
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\draw[pattern=north west lines] (a.center) -- (b.center) -- (z.center) --cycle;
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\draw[pattern=dots] (b.center) -- (c.center) -- (z.center) --cycle;
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\draw[pattern=crosshatch] (a.center) -- (c.center) -- (z.center) --cycle;
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\end{tikzpicture}
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\end{document}
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