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26 lines
727 B
TeX
26 lines
727 B
TeX
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\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tikz}
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\usetikzlibrary{shapes, calc, shapes, arrows}
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\usepackage{amsmath,amssymb}
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\usepackage{xcolor}
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\definecolor{xvectorcolor}{HTML}{77933C}
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\begin{document}
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\begin{tikzpicture}
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\newcommand{\R}{1.4}
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\path (240:\R) coordinate (A);
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\path ( 60:\R) coordinate (B);
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\path ( 0:\R) coordinate (C);
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\draw[green,fill=gray!10] (0,0) circle (\R);
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\draw[red] (0,0) -- (C);
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\path[red] ( 0:\R/2) node [below]{$r$};
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\draw[blue] (A) -- (B);
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\path[blue] (240:\R/2) node [below]{$d$};
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\draw[green] (0,0) circle (\R);
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\path[green] (135:\R*1.2) node {$c$};
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\draw[black] (0,0) node [left] {$M$};
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\end{tikzpicture}
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\end{document}
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