Find the length of the longest rod that can be placed in a room 12 m long, 9 m broad and 8 m high.
Given: Length of room = 12 m
Breadth of room = 9 m
Height of room = 8 m
To find: The length of longest rod.
Formula Used:
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Explanation:

As longest side of a cuboid is it’s diagonal.
So,
Length of longest rod that can be placed in room = diagonal of room
For the given dimensions:
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= 17 m
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