1.

If the angle of elevation of a cloud from a point P which is 25 m above a lake be 30∘ and the angle of depression of reflection of the cloud in the lake from P be 60∘, then the height of the cloud (in meters) from the surface of the lake is :

Answer»

If the angle of elevation of a cloud from a point P which is 25 m above a lake be 30 and the angle of depression of reflection of the cloud in the lake from P be 60, then the height of the cloud (in meters) from the surface of the lake is :



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