Multiple choice

The volume of the sphere is 38808 cm³, find the curved surface area of the sphere.

  1. 5544 cm2

  2. 5045 cm2

  3. 4244 cm2

  4. 4345 cm2

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Volume of sphere = (4/3)πr³ = 38808 cm³. Using π = 22/7, we get r³ = 38807 × 3/(4π) = 9261, so r = 21 cm. Curved surface area = 4πr² = 4 × (22/7) × 21² = 5544 cm². The formula relating volume and surface area of a sphere is CSA = 4πr² where r is derived from volume.

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