Question

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 A is 60°. Find the distance

of the cloud from A. ​

Answer 1

Answer:

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 A is 60°. Find the distance

of the cloud from A.