The curved surface area of a hemisphere is 72π cm2, then its radius is:

Coal India · General Paper · 2017

The curved surface area of a hemisphere is 72π cm2, then its radius is:

  1. A.

    8 cm

  2. B.

    7 cm

  3. C.

    6 cm

  4. D.

    5 cm

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Correct answer: C

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