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.
Asked by devanshmudgal | 19th Feb, 2011, 07:34: PM
Expert Answer:
Dear student,
Thus, the height of the helicopter is 200 m.
We hope that clarifies your query.
Regards,
Team
TopperLearning
Dear student,

Thus, the height of the helicopter is 200 m.
We hope that clarifies your query.
Regards,
Team
TopperLearning
Answered by | 20th Feb, 2011, 10:11: PM
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