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Computer Science
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Height and Distance
The angle of elevation of the sun, when the length of the shadow of a tree √3 times the height of the tree, is:
30°
45°
60°
90°
Show Answer
Correct Answer:
30°
Explanation:
Let AB be the tree and AC be its shadow.
Let ∠ACB = Θ.
Then,
AC
=
√3 ⟹ cot Θ = √3
AB
∴ Θ = 30°.
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