A person 1 6 m tall is standing at the centre between two

Last updated: 6/14/2023

A person 1 6 m tall is standing at the centre between two walls three metres high What should be the minimum size of a plane mirror fixed on the wall in front of him if he is to see the full height of the wall behind him 1 0 8 m 2 1 m 3 1 5 m 4 23 m