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      Question

      From a point "A" on the ground, the angle of elevation

      to the top of a tower measuring 12 meters in height is 30┬░. Determine the horizontal distance between point "A" and the base of the tower.
      A 12 m Correct Answer Incorrect Answer
      B 4тИЪ3 m Correct Answer Incorrect Answer
      C 8 m Correct Answer Incorrect Answer
      D 12тИЪ3 m Correct Answer Incorrect Answer

      Solution

      Image
      Let BC = length of the tower = 12 metres
      In right triangle ABC;

      tan30 o ┬а= (BC/AB)

      So, (1/тИЪ3) = (12/AB)

      So, AB = 12тИЪ3 m

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