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Just wondering. Is the surface area of a sphere the circumference of the sphere squared?

Mathematics
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I meant the circumference of the regular circle right through the middle. \[2 \pi r\]
I made an error in the explanation. It should have been: No, because the circumference is given by\[2\pi r\]and the surface area is given by\[4πr^2\]The circumference squared would be \[4\pi^2 r^2\]
Area is measured in square units. Volume is measured in cubic units. Surface Area- square units.

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Other answers:

How do you derive the surface area of a circle?
calculus
you can do it with a double or tripple integral
and Im sure many other ways

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