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The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is:

Question: The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is:
[A].

30°

[B].

45°

[C].

60°

[D].

90°

Answer: Option A

Explanation:

Let AB be the tree and AC be its shadow.

Let ACB = .

Then,	AC	=	3 cot = 3
	AB

= 30°.