Question

The angle of elevation of a cloud from a point 60 metre above a lake is 30 degrees and the angle of depression of the reflection of the cloud in the lake is 60 degrees. Find the height of the cloud from the surface of the lake.

Just draw the diagram, i can do the solving myself :)

Answer 1

@divu.mkr I drew it just like you but in the answers its drawn differently

http://www.meritnation.com/img/shared/discuss_editlive/1915302/2012_01_05_15_46_38/1638114(5jan).png

Answer 2

try to imagine in 3d..both are same

Answer 3

If you solve it by your diagram then the answer comes out to be 80 which is not the answer.

Answer 4

The answer is 120

Answer 5

how do u get 120

Answer 6

according to the diagram which you have given

Answer 7

Still stuck or..?