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July 23, 2014

Homework Help: math

Posted by Sasuke on Wednesday, August 1, 2012 at 11:39am.

From a lookout tower 80 ft. high, a man observes from a position 6.5 ft. below the top of the tower that the angle of elevation of the top of a certain tree is 12 degrees 40 minutes and the angle of depression of its base is 72 degrees 20 minutes. If the base of the tower and the base of the tree are at the same level, what is the height of the tree?

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