Question

The diagonal of a room of dimensions 10 m, 8 m and 5 m is

Answer 1

Step-by-step explanation:

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Here's the answer Dear

The length of the longest rod is the diagonal of the room. So, We have to find the diagonal of the cuboid. Hence , The length of the longest rod can be put in a room is 15 m

Answer 2

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• Diagonal =
• $\sqrt{ {l}^{2} + {b}^{2} + {h}^{2} } = \sqrt{100 + 64 + 25}$
• $= \sqrt{189} = 3 \sqrt{21} = 13.74m$