Question

    A Hemi sphere has a volume of 486π cubic units. What is

    the radius of the sphere?
    A 3 units Correct Answer Incorrect Answer
    B 4 units Correct Answer Incorrect Answer
    C 6 units Correct Answer Incorrect Answer
    D 9 units Correct Answer Incorrect Answer

    Solution

    The volume of a Hemi sphere is (2/3)πr ³ . So, (2/3)πr ³  = 486π. r ³ = 729 r = 9 units. Answer: (D)

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