Find the length of the longest rod that can be placed in a room 16 m long, 12 m broad and 1023 m high.
23 m
68 m
79 m
Required length =√(16)2+(12)2+(323)2m=√256+144+10249m
√46249m=683m=2223m
Find the length of the longest rod that can be placed in a room 12 m long, 9 m broad and 8 m high.