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

    Question

    What will be inradius of an equilateral triangle of side

    2 cm?
    A 2/√3 cm Correct Answer Incorrect Answer
    B 1/√3 cm Correct Answer Incorrect Answer
    C √3 cm Correct Answer Incorrect Answer
    D √3/2 cm Correct Answer Incorrect Answer

    Solution

    In equilateral triangle of side a, Inradius = a / (2 `xx` √3 ) = 2 /(2 `xx` √3 ) = 1 /√3 cm

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