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\documentclass[tikz, border=2pt]{standalone}
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\usetikzlibrary{calc}
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\usetikzlibrary{math}
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\begin{document}
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\begin{tikzpicture}[line width=1pt]
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\tikzmath{
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\r = 2;
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}
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\def\template#1; {
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\draw #1 circle [radius=\r];
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\draw #1 ++(\r, 0) circle [radius=\r];
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\draw #1 -- ++(\r, 0);
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}
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\coordinate (O) at (0, 0);
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\template{(O)};
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\node[left] (A) at (O) {$A$};
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\node[right] (B) at ($(O) + (\r, 0)$) {$B$};
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\coordinate (O1) at (3.5*\r, 0);
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\template{(O1)};
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\coordinate (C1) at ($(O1) + (60:\r)$);
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\node[above] () at (C1) {$C$};
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\coordinate (D1) at ($(O1) + (-120:\r)$);
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\node[below] () at (D1) {$D$};
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\draw (C1) -- (D1);
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\coordinate (O2) at (0, -3*\r);
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\template{(O2)};
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\coordinate (B2) at ($(O2) + (\r, 0)$);
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\coordinate (C2) at ($(O2) + (60:\r)$);
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\coordinate (D2) at ($(O2) + (-120:\r)$);
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\coordinate (E2) at ($(O2) + (-60:0.5*\r)$);
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\coordinate (G2) at ($(O2) + (-60:\r)$);
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\draw (C2) -- (D2);
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\draw (D2) -- (B2);
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\draw (O2) -- (G2);
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\node[right=2mm] () at (E2) {$E$};
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\coordinate (O3) at (3.5*\r, -3*\r);
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\template{(O3)};
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\coordinate (B3) at ($(O3) + (\r, 0)$);
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\coordinate (C3) at ($(O3) + (60:\r)$);
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\coordinate (D3) at ($(O3) + (-120:\r)$);
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\coordinate (E3) at ($(O3) + (-60:0.5*\r)$);
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\coordinate (G3) at ($(O3) + (-60:\r)$);
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\draw (C3) -- (D3);
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\draw (D3) -- (B3);
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\draw (O3) -- (G3);
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\draw (E3) -- (C3);
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\draw[dashed] (B3) -- (C3);
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\node[left] () at (O3) {$A$};
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\node[right] () at (B3) {$B$};
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\node[above] () at (C3) {$C$};
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\node[below] () at (D3) {$D$};
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\node[right=2mm] () at (E3) {$E$};
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\node[below right] (F3) at ($(O3) + (0.34*\r, 0)$) {$F$};
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\node[below=2cm, align=center] () at ($(O2) + (2.25*\r, 0)$) {
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$\displaystyle\overline{AF} = \frac{1}{3}\cdot\overline{AB}$
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}
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\end{tikzpicture}
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\end{document}
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