alleryStart learning →A cliff is 50 m high. The angle of depression of a boat at sea from its top is 45°. How far is the boat from the cliff foot?
A50 m
B25 m
C100 m
D50√3 m
Answer & Solution
Correct answer: A. 50 m
Distance equals height divided by tan 45°, and tan 45° is 1, so the boat is 50 m away.
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