The height of a person is 170cm. What is the minimum length of a plane mirror in which he can see his full image (in cm)?

Find the minimum height of a mirror where one can see his full image.

A man 160 cm height stands in fromt of a plane mirror . His eyes are at a height of 150 cm from the floor. Then the minimum length of the plane mirror for him to see his full length image is -

A student of height 1.9 m can see his full image in a plane mirror fixed on a wall. His eyes are 1.85 m from the floor level. What is the minimum length of the plane mirror required to get the full image of the student ?

Minimum Size OF mirror required to see full image

Suppose you are standing 1 m in front of a plane mirror. What should be the minimum vertical size of the mirror so that you can see your full image in it ?