alleryLevel ground: eyes 1.5 m high, 10 m from a vertical tower; top elevation 45°. Height?
A15 m
B10 m
C11.5 m
D8.5 m
Answer & Solution
Correct answer: C. 11.5 m
The tower rises 10 tan 45° = 10 m above the eyes, giving total height 11.5 m.
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