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Centre (geometry)

In geometry, a centre (Commonwealth English) or center (American English) (from Ancient Greek κέντρον (kéntron) 'pointy object') of an object is a point in some sense in the middle of the object. According to the specific definition of centre taken into consideration, an object might have no centre. If geometry is regarded as the study of isometry…

Standards, Triangles & Symmetric objects

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Overview

Circles, spheres, and segments

Symmetric objects

Triangles

Tangential polygons and cyclic polygons

General polygons

Projective conics

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Map overview Semantic statistics

Centre (geometry)

Nodes53
Edges52
Triples1
Avg. degree1.96
Density0.037736
Components1

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Important terminology Word statistics

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Important terminology

centre point polygon called points geometry object projective circle hyperbola centroid triangle general three sides infinity figurative definition fixed ellipse

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Brocard pointsinstance ofthus position of a centre in a mirror-image triangle is the mirror-image of its position in the original triangle.This strict definition excludes pairs of bicentric points0.80text

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