alleryStart learning →A 10 m building top is seen at 30° and the flagstaff top at 45°. Take √3 as 1.732. Flagstaff length?
A7.32 m
B10 m
C17.32 m
D5 m
Answer & Solution
Correct answer: A. 7.32 m
The point is 10√3 m from the building, so the flagstaff top is 10√3 m high, and the staff is 10√3 − 10 = 7.32 m.
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