Vzorec 10

\begin{array}{l} R_{B} = \sqrt{\frac{l_{e} \cdot d}{b^{2}}} = \sqrt{\frac{23, 86 ft \cdot 13, 25 in \cdot \frac{1 ft}{12 in}}{{(3, 50 in)}^{2}}} = \sqrt{2, 15 ft} = 1, 47 ft \cdot \frac{12 in}{1 ft} \\ R_{B} = 17, 60 in \end{array}

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