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sphere
round, rotationally symmetric shape of the 2D surface of a ball in 3D space
Details
- Instance of
- UCUM constant
- Subclass of
- spheroid, locus, non-degenerate quadric surface, boundary, analytic manifold, hypersphere, n-sphere, surface, geometric primitive
- Follows
- circle
- Said to be the same as
- Q16216461, complex projective line, Riemann sphere
- contains
- open ball
- described by source
- Encyclopædia Britannica 11th edition
- different from
- ball, three-ball
- Euler characteristic
- 2
- has characteristic
- volume, area, sphericity, genus
- topic's main category
- Category:Spheres
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