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1. A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30? with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60?. What is the distance between the base of the tower and the point P?






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  • By: guest on 01 Jun 2017 05.46 pm
    One of AB, AD and CD must have given. So, the data is inadequate.
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