Question

surface area of a sphere​

Answer 1

4πr^2 is the surface area of a sphere..

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Answer 2

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$\boxed{\huge\underline{\mathscr\red{4πr²}}}$

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Extra information

A sphere is a geometrical object in three-dimensional space that is the surface of a ball. Like a circle in a two-dimensional space, a sphere is defined mathematically as the set of points that are all at the same distance r from a given point in a three-dimensional space.✔️