SOLUTION: From a mountain 4000 feet above a fort, its angle of depression is 16degrees 45minutes. Find the line-of-sight distance from the mountain to the fort.

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Question 468843: From a mountain 4000 feet above a fort, its angle of depression is 16degrees 45minutes. Find the line-of-sight distance from the mountain to the fort.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sin(16.75) = 4000/d
d = 4000/sin(16.75)
d =~ 13879 ft