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geometry

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I am not sure I understand especially the part where it says "the value".

If the surface area of a sphere decreases, will the value of the volume remain the same?

If we decrease the radius than we should have a different volume - right?

  • geometry -

    Yes, if the radius decreases for a sphere, both the area (4 pi r^2) and volume (4 pi r^3/3) must decrease.

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