23 lines
839 B
TeX
23 lines
839 B
TeX
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\documentclass{article}
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\usepackage{tikz}
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\usetikzlibrary{calc}
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\usepackage{amssymb}
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\begin{document}
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\begin{tikzpicture}
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\draw[semithick] (0, 0) circle (1);
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\draw[semithick] (2, 0) circle (1);
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\draw[semithick] (1, 1.73205) circle (1);
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\draw[dashed,color=gray] (0,0) arc (-90:90:0.5 and 1.5);% right half of the left ellipse
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\draw[semithick] (0,0) -- (4,1);% bottom line
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\draw[semithick] (0,3) -- (4,2);% top line
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\draw[semithick] (0,0) arc (270:90:0.5 and 1.5);% left half of the left ellipse
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\draw[semithick] (4,1.5) ellipse (0.166 and 0.5);% right ellipse
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\draw (-1,1.5) node {$\varnothing d_1$};
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\draw (3.3,1.5) node {$\varnothing d_2$};
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\draw[|-,semithick] (0,-0.5) -- (4,-0.5);
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\draw[|->,semithick] (4,-0.5) -- (4.5,-0.5);
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\draw (0,-1) node {$x=0$};
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\draw (4,-1) node {$x=l$};
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\end{tikzpicture}
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\end{document}
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