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40 lines
1.4 KiB
TeX
40 lines
1.4 KiB
TeX
\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usetikzlibrary{shapes, calc}
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\begin{document}
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\begin{preview}
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\begin{tikzpicture}
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\node[isosceles triangle, isosceles triangle apex angle=44,draw,
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inner sep=0pt,anchor=lower side,rotate=90,draw=black,
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line width=1.5pt, minimum height=4cm, fill=gray!2] (triangle) at (1.6,-0.05) {};
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\draw[fill=green!30] (0,0) -- (0:0.50cm) arc (0:68:.50cm);
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\begin{scope}[shift={(3.2cm,0cm)}]
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\draw[fill=green!30] (0,0) -- (-180:0.50cm) arc (180:110:0.5cm);
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\draw (150:0.35cm) node {$\beta$};
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\end{scope}
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\begin{scope}[shift={(1.6cm,4cm)}]
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\draw[fill=red!30] (0,0) -- (250:.75cm) arc (250:292:.75cm);
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\draw (-90:0.5cm) node {$\gamma$};
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\end{scope}
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\coordinate[label=left:$A$] (A) at (0,0);
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\coordinate[label=right:$B$] (B) at (3.2,0);
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\coordinate[label=above:$C$] (C) at (1.6,4);
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\coordinate[label=below:$c$](c) at ($ (A)!.5!(B) $);
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\coordinate[label=left:$b$](b) at ($ (A)!.5!(C) $);
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\coordinate[label=right:$a$](a) at ($ (B)!.5!(C) $);
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\node[isosceles triangle, isosceles triangle apex angle=44,draw,
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inner sep=0pt,anchor=lower side,rotate=90,draw=black,
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line width=1.5pt, minimum height=4cm] (triangle) at (1.6,-0.05) {};
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\coordinate[label=45:$\alpha$] (Alpha) at (A);
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\end{tikzpicture}
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\end{preview}
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\end{document}
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