Question

    What will be inradius of a right angle triangle whose

    base is 3 cm & height is 4 cm ?
    A 3 cm Correct Answer Incorrect Answer
    B 1 cm Correct Answer Incorrect Answer
    C 2 cm Correct Answer Incorrect Answer
    D 6 cm Correct Answer Incorrect Answer

    Solution

    By pythogorus theorem, Hypotenuse 2  = Base 2 +Height 2 = 32 + 42 = 9 + 16 = 25, So Hypotenuse = 5; Now inradius of a right angle triangle = (Base + Height - Hypotenuse)/2 = (3 + 4 - 5)/2 = 2/2 = 1 cm

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