Hello, sakibniaz!

Did you make a sketch?

The angle of depression of a boat 50m from the base of a cliff is 30°.

How high is the cliff? . Give your answer correct to 3 decimal places.Code:A * - - - - - - - - - - D | * 30° | * | * h | * | * | * | 30° * C *-----------------------* B : - - - - 50 - - - - - :

The cliff is:

The boat is at

.Hence: .

In right triangle

Now solve for