Rohit while seeing a bird on tree top made 45° angle of elevation. He walks 240

Question

Rohit while seeing a bird on tree top made 45° angle of elevation. He walks 240ft. towards the tree to observe the bird closely, thus making 60° angle of elevation. How far was Rohit from the tree initially?

Options:

A . $$\frac{{240\sqrt 3 }}{{\sqrt 3 - 1}}\,{\text{ft}}$$

B . $$\frac{{240}}{{\sqrt 3 - 1}}\,{\text{ft}}$$

C . $$\frac{{240}}{{\sqrt 3 }}\,{\text{ft}}$$

D . $$240\sqrt 3 \,{\text{ft}}$$

Answer: Option A

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