Question

    A hemisphere has a radius of 6.2 cm. Find its total surface area (use π = 3.14) (round off to two decimal places).

    A 362.10 cm² Correct Answer Incorrect Answer
    B 282.25 cm² Correct Answer Incorrect Answer
    C 358.52 cm² Correct Answer Incorrect Answer
    D 276.35 cm² Correct Answer Incorrect Answer

    Solution

    Given: Radius = 6.2 cm Total surface area of hemisphere = 3 πr2 Total surface area of hemisphere = 3×6.2×6.2×3.14     = 362.10 cm2

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