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      Question

      If a pole of 54m height casts a shadow of 18

      >`sqrt(3)` m long on the ground. Then the Sun’s angle of elevation at that instant is
      A 90˚ Correct Answer Incorrect Answer
      B 30˚ Correct Answer Incorrect Answer
      C 60˚ Correct Answer Incorrect Answer
      D 45˚ Correct Answer Incorrect Answer

      Solution

      In ∆ ABC tan⁡θ= AB/BC = 54/(18√3) tan⁡θ= 3/√3 = √3 tan⁡θ= tan⁡(60˚) θ = 60˚

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