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

    Question

    What will be circumradius of a right angle triangle

    whose base is 20cm & height is 21cm ?
    A 8.5 cm Correct Answer Incorrect Answer
    B 2.5 cm Correct Answer Incorrect Answer
    C 6.5 cm Correct Answer Incorrect Answer
    D 14.5 cm Correct Answer Incorrect Answer

    Solution

    By pythogorus theorem, Hypotenuse 2 = Base 2  +Height 2 = 202 + 212 = 400 + 441 = 841, So Hypotenuse = 29 cm  Now circumradius of a right angle triangle = Hypotenuse/2 = 29/2 = 14.5cm

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