If the angle of elevation of a cloud from a point 100 metres above a lake is 30o and the angle of depression of its reflection in the lake is 60o, then the height of the cloud above the lake is how much...?
Asked by | 27th Nov, 2013, 06:58: AM
Expert Answer:
Answered by Rashmi Khot | 27th Nov, 2013, 10:18: AM
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