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ORA contractor construct a vertical pillar at a horizopoint. It was decided that angle of elevation of the top of thepoint to be 60° .He finishes ine job by making a piiar such that the angle ofelevation of its top was 30°. Find the height of the pillar to be increased as per theterms of contractntal distance of 300 m from a fixedcomplete pillar from the |
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