Question

I) A 3 m tall boy is standing at some
distance from a 30 m tall building. The
angle of elevation from his eyes to the top
of the building increases from 45 to 60°
as he walks towards the building. Find the
distance he walked towards the building ​

Answer 1

Answer:

So the distance he walked towards building is 9(3-root3)

Answer 2

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