Question

Length of the longest rod that can be placed in a cubical room

Answer 1

Length of the longest rod that can be placed in a cubical room is the length of the diagonal of the cube
Diagonal of cube=√3a
Hope it helps u mate

Answer 2

Hey there!

♠ The length of longest rod that can be placed in a cubical room will be the diagonal of the cube.

♣ Formula of Diagonal of Cube:

$\sf \textbf{Diagonal of cube} = a \sqrt{3}\\where, \\a = edge \ of\ cube$

Hope It Helps You!