SOLUTION: The observation deck at Peggy's Cove lighthouse, in Nova Scotia, is about 20 m above sea level. From the observation deck, the angle of depression of a boat on the water is 6°. H

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Question 1195115: The observation deck at Peggy's Cove lighthouse, in Nova Scotia, is about 20 m above sea level.
From the observation deck, the angle of depression of a boat on the water is 6°. How far is the boat
from the lighthouse, to the nearest metre?
Answer by ikleyn(52864)   (Show Source): You can put this solution on YOUR website!
.

If x is the distance from the boat to the lighthouse (measured horizontally at the sea level), then

    tan(6°) = ,


which gives  x =  =  = 190.3 meters.    ANSWER

Solved.



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