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Multiple choice

If the surface area of the sphere is 616 sq. cm , then its radius is :

  1. 7

  2. 14

  3. 12

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Surface area of sphere = 4πr². Given 4πr² = 616. Using π = 22/7: 4 × (22/7) × r² = 616, so r² = 616 × 7/(4 × 22) = 49. Therefore r = 7 cm.

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