Question

4. Find the length of the longest rod that can be placed in a room of 18 m long, 12 m broad and 13.5 m high,
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Answer 1

Answer:

25.5m

Step-by-step explanation:

Given dimensions of room:

                Length (l) = 18m

                Breadth (b) = 12m

                Height (h) = 13.5m

We know the formula:

             Length of diagonal of cuboid = $\sqrt{l^2+b^2+h^2}$

So,

    Length of longest stick that can be placed in cuboidal room

             = $\sqrt{18^2+12^2+13.5^2}$

             = $\sqrt{324+144+182.25}$

             = $\sqrt{650.25}$

             = $25.5$m

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Answer 2

25.5m

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