Question

Find the length of the longest rod that can be occupied in hall measuring 13×12×5

Answer 1

Length of the longest rod

$\sqrt{ {l}^{2} + {b}^{2} + {h}^{2} }$

$\sqrt{ {13}^{2} + {12}^{2} + {5}^{2} }$
$\sqrt{169 + 144 + 25}$
$13 \sqrt{2}$
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