The angle of depression of a boat 50m from the base of a cliff is 30degree. How high is the cliff? Give your answer correct to 3 decimal places.
Hello, sakibniaz!
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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