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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
31 Oct 2021

Given information

Observe that in an art gallery, a picture has height and is hung so that its lower edge is a distance above the observer's sight.

Step-by-step explanation

Step 1.

Understand that, painting in an art gallery that has height h and is hung so that its lower edge is a distance d above the eye of an observer is at point .

Let us assume x be the distance from the observer to the wall,  making angle with top of the painting to its lower edge and  be the angle right below  .

 

 

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