The angles of elevation of the top of a tower from two points at a distance of 4m and 9m from the

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asked Feb 6, 2018 in Mathematics by Kundan kumar (49,132 points) 34 435 1342

The angles of elevation of the top of a tower from two points at a distance of 4m and 9m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6m.

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answered Feb 6, 2018 by Vikash Kumar (144,729 points) 8 11 24
 
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Let OA be the tower of height h metre and P, Q be the two points at distance of 9 m and 4 m respectively from the base of the tower.

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