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

hey there, u cn refer the book "RD Sharma" fr such complex questions.


Such questions u can easily gt in RD SHARMA... Of 10th class......if u cnt gt'll help u.....