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    Question

    What will be inradius of a right angle triangle whose

    base is 11 cm & height is 60 cm ?
    A 3 cm Correct Answer Incorrect Answer
    B 4 cm Correct Answer Incorrect Answer
    C 10 cm Correct Answer Incorrect Answer
    D 5 cm Correct Answer Incorrect Answer

    Solution

    By pythogorus theorem, Hypotenuse 2  = Base 2 +Height 2 = 112 + 602 = 121 + 3600 = 3721, So Hypotenuse = 61; Now inradius of a right angle triangle = (Base + Height - Hypotenuse)/2 = (11 + 60 - 61)/2 = 10/2 = 5 cm

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