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    Question

    What will be inradius of an equilateral triangle of side

    10 cm?
    A 10/тИЪ3 cm Correct Answer Incorrect Answer
    B 5/тИЪ3 cm Correct Answer Incorrect Answer
    C тИЪ3 cm Correct Answer Incorrect Answer
    D тИЪ3/5 cm Correct Answer Incorrect Answer

    Solution

    In equilateral triangle of side a, Inradius = a / (2┬а`xx` тИЪ3 ) = 10 /(2┬а`xx` тИЪ3 ) = 5 /тИЪ3 cm

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