Sphere: Revision history

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16 February 2023

  • curprev 09:2809:28, 16 February 2023‎ Robinr78 talk contribs‎ 1,072 bytes +1,072‎ Created page with "{{Header|Sphere 02/23}} {{cat-terms|Sphere}} A '''sphere''' (from Ancient Greek σφαῖρα (sphaîra) 'globe, ball')[1] is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. A sphere is the set of points that are all at the same distance r from a given point in three-dimensional space. That given point is the centre of the sphere, and r is the sphere's radius. The earliest known mentions of spheres appear in the work of the ancient..."
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