A painting in an art gallery has height 3 m and is hung so that its lower edge is about 1 m above the eye of an observer. How far from the wall should the observer stand to get the best view? (i.e. the observer wants to maximize the angel θ subtended at the eye by the painting
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Expert's answer
2020-11-17T06:17:57-0500
Let man is at a distance of x from the wall.
Let angle made made at lower and upper end be α and θ respectively.
for sake of simplicity, Let height of the painting is h=3m
and height of the lower end from the ground is, d=1m
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