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  "body": "\n## Summary\n\nA set of points is cospherical if all of its points lie on one [[sphere|P9CM4GQ2T0]].\nIn the plane this is the same as being [[concyclic|049DCJZ448]].\nFour points of space that do not lie in one plane are always cospherical, which gives every tetrahedron a circumscribed sphere.\n\n## Explanations\n\n### L1 human\n\nPoints are cospherical when one ball can be chosen whose surface passes through all of them.\nThe eight corners of a cube are cospherical: they all lie at the same distance from the centre of the cube.\nThree distinct points on one straight line are never cospherical in the plane, since no circle meets a line in three points.\n",
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