Question

find the length of longest rod that can be put in a room of 10m×10m×5m dimensions


plzz fast with the full solution

Answer 1

diagonal of room=longest rod
diagonal of room=√l²+b²+c²
=√(10)²+(10)²+(5)²
=√100+100+25
=√225
=15m
so, the length of longest rode is 15m.