Head Mirror

How far above the floor should a 74cm tall-mirror b 4 a 149cm tall person, top of head is 15cm above eye level?

A person 149 cm tall wants to be able to see her full image in a plane mirror. The height of the mirror is 74 cm tall.
How far above the floor should the bottom of the mirror be, assuming that the top of the person’s head is 15 cm above her eye level?

optics

1 Head mirror

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