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&sq=starlink&lang=en&file=File:Wiki_letter_w.svg){kind=small} | This article's lead section may be too short to adequately summarize the key points. (February 2023) |
In mathematics, a plane is a two-dimensional space or flat surface that extends indefinitely. A plane is the two-dimensional analogue of a point (zero dimensions), a line (one dimension) and three-dimensional space.
When working exclusively in two-dimensional Euclidean space, the definite article is used, so the Euclidean plane refers to the whole space.
Many fundamental tasks in mathematics, geometry, trigonometry, graph theory, and graphing are performed in a two-dimensional or planar space.[1]
- ^ Janich, P.; Zook, D. (1992). Euclid's Heritage. Is Space Three-Dimensional?. The Western Ontario Series in Philosophy of Science. Springer Netherlands. p. 50. ISBN 978-0-7923-2025-8. Retrieved 2023-03-11.
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