Question
Sat February 19, 2011 By: Devansh Mudgal
 

from a point 100m above a lake, the angle of elevation of a stationary helicopter is 30 degree and the angle of depression of reflection of helicopter in the lake is 60 degree. find the height of the helicopter.

Expert Reply
Sun February 20, 2011
Dear student,
 
 
Thus, the height of the helicopter is 200 m.
 
We hope that clarifies your query.
 
Regards,
Team
TopperLearning
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