Question

A rectangular room is 12 m long and 9 m wide. What is the length of the LONGEST pole that can be kept on the floor of the room?

1. 12 m
2. 15 m
3. 18m
4. 21m

Answer 1

Answer:

As per the given dimensions it is of cuboid shape

Longest length in a cuboid is its diagonal

So, length of the longest pole = length of diagonal = sq.root( l^2 + b^2 + h^2) = sq.root(12^2 + 8^2 + 9^2) = 17m

Answer 2

This is the answer.... hope it helps...