# Difference between revisions of "Chord"

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− | + | A '''chord''' of a [[circle]] <math>O</math> is a [[line segment]] joining two [[point]]s on <math>O</math>. | |

− | |||

− | A '''chord''' of a [[circle]] <math> | ||

<asy>size(100); | <asy>size(100); | ||

− | pair | + | pair O=origin,A=dir(135),B=dir(30); |

D(unitcircle); | D(unitcircle); | ||

D(A--B); | D(A--B); | ||

− | MP(" | + | MP("O",D(O),S); |

− | MP("A",D(A), | + | MP("A",D(A),W); |

− | MP("B",D(B), | + | MP("B",D(B),E);</asy> |

− | The [[diameter]] of a circle is the longest chord of | + | The [[diameter]] of a circle is the longest chord of that circle. The diameter goes through the center of the circle. |

<asy>size(120); | <asy>size(120); | ||

− | pair | + | pair O=origin,A=dir(170),B=dir(-10); |

D(unitcircle); | D(unitcircle); | ||

D(A--B); | D(A--B); | ||

− | MP(" | + | MP("O",D(O),N); |

− | MP("A",D(A), | + | MP("A",D(A),W); |

− | MP("B",D(B), | + | MP("B",D(B),E);</asy> |

+ | {{stub}} | ||

[[Category:Geometry]] | [[Category:Geometry]] |

## Revision as of 21:45, 12 December 2008

A **chord** of a circle is a line segment joining two points on .

The diameter of a circle is the longest chord of that circle. The diameter goes through the center of the circle.

*This article is a stub. Help us out by expanding it.*