1 .	The angle of elevation of a cloud from a point h meters above the surf ace of a lake i s 30° and the angle of depression of its reflection is 60°. Then the height of the cloud above the surface of the lake is –
[ A ]    h $\sqrt3$ m [ B ]    h m [ C ]    h $\sqrt2$ m [ D ]    2 h m
Answer : Option D Explanation :
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