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The angle of elevation of the top of a tower from a point A on the ground is 30 degree.on moving a distance of 20m towards the foot of the tower to a point B,the angle of elevation increases to 60 degree.find the height of the tower and the distance of the tower from the point A.
Asked by | 11 Oct, 2013, 04:45: PM
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Answered by | 11 Oct, 2013, 05:58: PM

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CBSE 10 - Maths
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