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  1. The shadow of a tower is √3 times its height. Then the angle of elevation of the top of the tower is
    1. 45°
    2. 30°
    3. 60°
    4. 90°
Correct Option: B


AB = Tower = x units
BC = Shadow = √3 x units

tan (ACB) =
AB
BC

=
x
=
1
= tan30°
√3x√3

∴ ∠ACB = 30°


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