New Enroll in RBI Grade B New Batch - Starts on May 21

    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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