At a point A, 20 metres above the level of water in a lake, the angle of elevation of a cloud is `30^@`. The angle of depression of the reflection of the cloud in the lake, at A is `60^@`. Find the distance of the cloud from A.

From a point 200 m above a lake , the angle of elevation of a cloud is 30^@ and the angle of depression of its reflection in take is 60^@ then the distance of cloud from the point is

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 .

The angle of elevation of a cloud from a point 60m above a lake is 30o and the angle of depression of the reflection of cloud in the lake is 60_(0). Find the height of the cloud.

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.

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 metre above a lake is theta The angle depression of its reflection in the lake is 45^(@) The height of the cloud is

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 :

The angle of elevation of a cloud from a point 250 m above a lake is 15^(@) and angle of depression of its reflection in lake is 45^(@) . The height of the cloud is

The angle of elevation of a cloud from a point h mt. above is theta^@ and the angle of depression of its reflection in the lake is phi . Then, the height is

A helicopter is in a stationary position at a certain height over the lake. At a point 200 m above the surface of the lake, the angle of elevation of the helicopter is 45^(@) . At the same time, the angle of depression of its reflection in the lake is 75^(@) . Calculate the height of the helicopter from the surface of the lake :