a 1.5m tall is standing at some distance from a 30m tall building.the angle of elevation from his eyes to the top of the building increases to 30degree to 60degree as he walks towards the building.find the distance he walked towards the building.

Asked by Mohit gulia | 7th Nov, 2012, 06:34: PM

Expert Answer:

Answered by  | 8th Nov, 2012, 10:03: AM

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