# Euclidean plane/Related Articles

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A list of Citizendium articles, and planned articles, about Euclidean plane.

## Bot-suggested topics

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• Affine space [r]: Collection of points, none of which is special; an n-dimensional vector belongs to any pair of points. [e]
• Complete metric space [r]: Property of spaces in which every Cauchy sequence converges to an element of the space. [e]
• Euclidean geometry [r]: Form of geometry first codified by Euclid in his series of thirteen books, The Elements. [e]
• Euclid [r]: (ca. 325 BC - ca. 265 BC) Alexandrian mathematician and known as the father of geometry. [e]
• Rigid motion [r]: A transformation which preserves the geometrical properties of the Euclidean spacea distance-preserving mapping or isometry. [e]
• Trigonometric function [r]: Function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, and cosecant. [e]
• Vector space [r]: A set of vectors that can be added together or scalar multiplied to form new vectors [e]