frrom outlook tower 80ft. high, a man observes from a position 6.5ft. below the top of the tower that the angle of elevstion of the top of certain tree is 12degrees and the angle of depression of its base is 72degrees. what is the height of the tree?

Question

anonymous · Answer

Lets start by defining the angle of elevation and depression:
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That way we don't get confused by our terms.

Now lets sketch the problem:
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