Surface area of sphere is _____?
- 4πr²
- 5πr²
- 2πr²
- None of these
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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اس سوال کو وضاحت کے ساتھ پڑھیں
- 39
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- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
