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A 1.5 m tall boy is standing at some dis...

A 1.5 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 `30^(@)` to `60^(@)` as he walks towards the building. Find the distance he walked towards the building.

Text Solution

Verified by Experts

The correct Answer is:
`19sqrt(3)` m
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