SOLUTION: An airplane is sighted at the same time by ground observers who are 15 miles apart and in front of the airplane. They report the angles of elevation as 21 degrees and 38 degrees.
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Question 308196: An airplane is sighted at the same time by ground observers who are 15 miles apart and in front of the airplane. They report the angles of elevation as 21 degrees and 38 degrees. How high is the airplane? Answer by nyc_function(2741) (Show Source):
You can put this solution on YOUR website! Use the tangent function.
In trigonometry, tangent = opposite side divided by adjacent side
Let h = height of airplane
tan38 = h/15
Can you finish?
