Question 608862
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Formula for the volume of a sphere:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ V\ =\ \frac{4}{3}\pi{r^3}]


Formula for the surface area of a sphere:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ SA\ =\ 4\pi{r^2}]


the volume of a hemisphere is one-half the volume of a sphere with the same radius.  The surface area of a hemisphere a matter of interpretation.  Either it is half the surface area of a sphere with the same radius, or it is that same half sphere surface area PLUS the area of the circular base of the hemisphere, namely *[tex \LARGE A_b\ =\ \pi r^2].


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
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