Surface area of sphere is _____?

Maths / Basic Math — Multiple-choice practice

  1. A. 5πr²
  2. B. None of these
  3. C. 2πr²
  4. D. 4πr²

Correct answer

4πr²

Explanation

Explanation The surface area of a sphere depends only on the radius (r) and is given by the formula 4πr². This formula comes from calculus and represents the total area covering the outer layer of a perfect sphere.

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