Question

The length of longest rod that can be fitted in a cubical box of edge 10 cm long is

Answer 1

the longest stick that can be fitted is the length of the diagonal of the cubical vessel. The length of the edges of the cuboid is 20 cm. The length of the longest stick that can be placed in it is equal to the distance from one corner to the corner on the opposite face that lies diagonally opposite to it.