Question

find the length of the longest pole that can be put in a room of dimensions (10m×10m×5m)​

Answer 1

Answer:

15 metres

Step-by-step explanation:

Formula for finding diagonal of a cuboid:

$\sqrt{ {l}^{2} + {b}^{2} + {h}^{2} } \\ = \sqrt{ {10}^{2} + {10}^{2} + {5}^{2} } \\ = \sqrt{100 + 100 + 25} \\ = \sqrt{225} \\ = 15 \: m$

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Answer 2

Length of longest pole = length af diagonal

=$√(l^2+b^2+h^2)$

. =$√10^2+ 10^2 +5^2$

=$√100+100+25$

=$√225 = 15cm$