alleryStart learning →Walking 30 m toward a tower, the top's elevation rises from 30° to 45°. Tower height?
A15(√3 − 1) m
B30(√3 + 1) m
C15(√3 + 1) m
D15√3 m
Answer & Solution
Correct answer: C. 15(√3 + 1) m
From h√3 − h = 30, h = 30/(√3 − 1) = 15(√3 + 1) m.
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