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The angle of elevation of a cloud from a...

The angle of elevation of a cloud from a point 10 meters above the surface of a lake is `30^(@)` and the angle of depression of its reflection from that point is `60^(@)`. Then the height of the could above the lake is

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120 m
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The angle of elevation of a stationary cloud from a point 200 m above the lake is 30^(@) and the angle of depression of its reflection in the lake is found to be 60^(@) . Find the height of the cloud .

If the angle of elevation of a cloud from a point 200m above a lake is 30^(@) and the angle of depression of its reflection in the lake is 60^(@) .Then the height of the cloud above the lake is :

If the angle of elevation of a cloud from a point 10 metres above a lake is 30^(@) and the angle of depression of its reflection in the lake is 60^(@) . Find the height of the cloud from the surface of lake.

The angle of elevation of a cloud from a point h meter above the surface of the lake is alpha , the angle of depression of its reflection in the lake is beta . Prove that height of the cloud from observation points is (2hsecalpha)/(tanbeta-tanalpha) .

If the angle of elevation of a cloud from a point 200 m 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 (a) 200 m (b) 500 m (c) 30 m (d) 400 m

The angle of elevation of a cloud from a point 60m above a leke is 30^(@) and the angle of depression of the reflection of cloud in the alek is 60^(@). Find the height of the cloud.

The angle of elevation of cloud from a point 60 m above a lake is 30^(@) and the angle of depression of the reflection of cloud in the lake is 60^(@) . Find the height of the cloud .

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