On a straight line passing through the f...

On a straight line passing through the foot of a tower, two points C and D are at distances of 4 m and 16 m from the foot respectively. If the angles of elevation from C and D of the top of the tower are complementary, then find the height of the tower.

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On a straight line passing through the foot of a tower,two points C and D are at distances of 4m and 16m from the foot respectively.If the angles of elevation from C and D of the top of the tower are complementary,then find the height of the tower.

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