2. A man is viewing a large oil painting which is on display at the Millenium Art Gallery. In order to have the best view of the painting, the painting is placed with its bottom and top edges 3meters and 9 meters above the floor, respectively. Assume that the best vies of the painting is obtained when the angle subtended is maximum and that the man's eyes are 2 meters above the floor. How far from the wall should the man stand? Figure 6.15. Man Viewing a Painting.

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