SOLUTION: pilot 4870 m directly above the front of a straight train observes that the angle of depression of the end of the train is 62.2 degreee Find the length of the train.
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Question 1145599: pilot 4870 m directly above the front of a straight train observes that the angle of depression of the end of the train is 62.2 degreee Find the length of the train. Found 2 solutions by Tatiana_Stebko, Edwin McCravy:Answer by Tatiana_Stebko(1539) (Show Source):
The plane is at point P. The train is at the bottom of the
triangle. The angle of elevation from the plane down to the
end of the train is the same as the angle of elevation from
the end of the train up to the plane. The train has length
x meters.
Now, with the above drawing, Tatiana's solution makes
some sense:
m
Edwin
