35 lines
1.0 KiB
TeX
35 lines
1.0 KiB
TeX
\begin{figure}[htb]
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\centering
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\begin{tikzpicture}
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\draw[-latex] (-0.5,0) -- (7,0) node[below] {$x$};
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\draw[-latex] (0,-0.5) -- (0,6) node[left] {$y$};
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\coordinate[] (A) at (4,3);
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\draw[] (A) circle [radius=1.5];
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\draw[] (A) to ["$r$",sloped] ++ (45:1.5) coordinate[] (B) ;
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\draw[] (B) to [] ++ (270:{sqrt(1.125)}) coordinate[] (C);
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\draw (C) to (A);
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\draw[fill=black] (A) circle (0.05);
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\draw[fill=black] (B) circle (0.05);
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\draw[dashed] (A) -- (4,-0.1) node[yshift=-2mm]{$x_m$};
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\draw[dashed] (A) -- (-0.1,3) node[xshift=-3mm]{$y_m$};
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\draw[dashed] (C) -- (4+1.06066,-0.1) node[yshift=-2mm]{$x$};
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\draw[dashed] (B) -- (-0.1, 4.06066) node[xshift=-3mm]{$y$};
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\draw[latex-latex] (4,2.4) -- (5.106066, 2.4) node [midway, below ]{$a$} ;
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\draw[latex-latex] (2,3) -- (2, 4.06066) node[midway, left]{$b$};
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\draw pic["$\cdot$", draw, angle radius=3mm ] {angle=B--C--A};
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\end{tikzpicture}
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\caption{Kreis mit Mittelpunkt $M\left(x_{m}, y_{m}\right)$ und Radius $r$.}
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\end{figure}
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