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The angle of elevation of the top of a tower from the a point on the ground 30 m away from the foot of the tower is 30° . The height of the tower is

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The angle of elevation of the top of a tower from the a point on the ground 30 m away from the foot of the tower is 30° . The height of the tower is 

(a) 30 m (b) 10√3 (c) 20 m (d) 10√2

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1 Answer

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Best answer

Let AB be the tower and O be the point of observation. 

Also, 

Hence, the height of the tower is 10√3 m .

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