Question

the dimensions of a room are 13m*8m*5m* how long a wooden pole can be placed

Answer 1

$DIMENSIONS \: = 13 \times 8 \times 5$

=> Largest pole in a room i.e., its diagonal =>

$= \sqrt{ {13}^{2} + {8}^{2} + {5}^{2} } \\ = \sqrt{169 + 64 + 25} \\ = \sqrt{258} \\ = 16.06m$