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A man wants to cut down a tree in his yard. To ensure that the tree doesn't hit anything, he needs to know the height

A man wants to cut down a tree in his yard. To ensure that the tree doesn't hit anything, he needs to know the height of the tree. He measures his distance from the tree at 15 meters and the angle of elevation of the tree at 76 degrees. What is the height of the tree to he nearest tenth of a meter.

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