alleryStart learning →A tower's shadow is 40 m longer when the Sun's altitude is 30° than when it is 60°. Find the tower height.
A40 m
B20√3 m
C40√3 m
D20 m
Answer & Solution
Correct answer: B. 20√3 m
The shadows are h√3 and h/√3, whose difference 2h/√3 equals 40, so h = 20√3 m.
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