Question

the angle of elevation of the top of a tower from certain point is 30 if the observer moves 20 मीटर towards the tower the angle of elevation of the top of the increases by 15 find the height of tower
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Answer 1

Since, angle of elevation increases by 15o when the observer moves 20 m towards the tower. Hence, the required height of the tower is 10 (√3 + 1) meter.

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