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How do I compute the Surface area of an Ellipsoid? I tried this piece of code but the result is wrong

a = 0.496
c = 2
x := Ellipsoid[{0, 0, 0}, {a, a, c}]
RegionMeasure[x]

Out[1]= 2.06223

When it should actually be ~10. So what is RegionMeasure? And how do I get the surface area?

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  • 3
    $\begingroup$ Notice the title of the linked topic. $\endgroup$ – Kuba Oct 19 '17 at 8:17
  • $\begingroup$ Ok, sorry, I guess I didn't search enough... $\endgroup$ – Manfredo Oct 19 '17 at 9:24

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