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An ellipsoid
* is a three dimensional figure which is symmetrical around three perpendicular axes * has a cross-section in one plane which is a a circle, and the other planes cross-sections are ellipses. In other words, it is an egg-shaped object.
If you can stand an egg upright and you slice it through the middle parallel to the tabletop, you will see a circle, no matter where you slice.
If you were instead to slice downwards vertically in any direction you would see an ellipse.
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What is the half of an oval called in 3D?
A semi-ellipsoid.
What solid figure has no bases and one curved surface?
For example, a sphere or an ellipsoid.
What is the formula for the volume of an ellipsoid?
'If a, b, and c are the semi-axes, the volume is (4/3)πabc. When a b c the ellipsoid is a sphere and this formula becomes (4/3)πa3' (James and James, eds, Mathematics Dictionary D. Van Nostrand, 1960)
What is the name for a 3d shape like an egg?
It's an ovoid, not an ellipsoid as some may think.
What is another name for a 3d shaped oval?
Ellipsoid. (An oval is a 2-d shape, NOT 3-d).
