User:Boris Tsirelson/Sandbox1: Difference between revisions
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imported>Boris Tsirelson No edit summary |
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[[Euclidean space]] | [[Euclidean space]] | ||
[[Euclidean plane]] | |||
[[Circle (mathematics)]] | [[Circle (mathematics)]] | ||
Revision as of 14:14, 28 March 2010
Plane via distances:
Plane via right angles (orthogonality):
Plane via straight lines:
Plane via cartesian coordinates: