New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    If the side of an equilateral triangle is 12cm, then

    find the area (in cm 2 ) of the triangle (correct to two decimal places).
    A 24.48 Correct Answer Incorrect Answer
    B 62.35 Correct Answer Incorrect Answer
    C 42.36 Correct Answer Incorrect Answer
    D 12.56 Correct Answer Incorrect Answer

    Solution

    Area = (Ö 3/4) ×12×12 = 36Ö 3   = 36 ×1.732 = 62.35 cm²

    Practice Next

    Relevant for Exams: