# Plane (geometry)/Related Articles

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*See also changes related to Plane (geometry), or pages that link to Plane (geometry) or to this page or whose text contains "Plane (geometry)".*

## Parent topics

- Euclidean geometry [r]: Form of geometry first codified by Euclid in his series of thirteen books,
*The Elements*.^{[e]}

## Subtopics

- Cartesian coordinates [r]: Set of real numbers specifying the position of a point in two- or three-dimensional space with respect to orthogonal axes.
^{[e]} - Polar coordinates [r]: Two numbers—a distance and an angle—that specify the position of a point on a plane.
^{[e]}

- Algebraic geometry [r]: Discipline of mathematics that studies the geometric properties of the objects defined by algebraic equations.
^{[e]} - Barycentric coordinates [r]: The weights that would have to be assigned to a system of reference points to yield a given position as barycentre are used as coordinates.
^{[e]} - Euclidean space [r]: real finite-dimensional inner product space; possibly with translations defined on it.
^{[e]}