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Problems on Angles of Depression

Example

Two vertical poles are fixed 50 m apart. The angle of depression from the top of the second pole of height m is 60°. Find the height of the first pole.

Solution


Let AD and CE be the two vertical poles. Let the height of the first pole AD be

h m.

Given:

In Δ ABC,

Therefore the height of the first pole is 259.8 m.

 





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