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      Question

      Determine the area of an equilateral triangular field

      having perimeter of 42m.
      A 53√3 m² Correct Answer Incorrect Answer
      B 47√3 m² Correct Answer Incorrect Answer
      C 49√3 m² Correct Answer Incorrect Answer
      D None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Area of an equilateral = (√3/4) × side2 Length of each side = 42 ÷ 3 = 14 metres So, required area = (√3/4) × 142 = 49√3 m2

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