a contractor construct a vertical pillar of horizontal distance of 300 m from a fixed point. it was decided that the angle of elevation of the top of the complete pillar from that point to be 60 degree. he finished the job by making the pillar such that the angle of elevation of its top was 30 degree. find the height of the pillar to be increased as per the terms of contract.
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please mark the diagram Also then we able to do easily
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