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# Circle Vocabulary

### Definition

Term | Definition |
---|---|

Chord | A segment whose endpoint lie on a line |

Diameter | Achord that contain the center of a circle |

Secant of a circle | A line that contains a chord |

Tagant to a circle | A line that lies in the plane of a circle and that intersect the circle at exacly one point (point of tangency) |

Circle ` | The set of all point in a plane at a given distance from given point in the plane |

Radius | A segment from a point on a circle or a sphere to the center |

Congrugent Circle | Circles with the same radius |

Concetric Circle | Circles the lie in the same plane that share the same center |

Incribed Angle | Angle whose vertex lies on a circle and whose sides contain chrods of the circle |

Central Angle | Angle whose vertex is the center of a circle and whose sides contain radii of the circle |

Circumference | Distance around a circle, that is , the perimeter of a circle |

Arc Lenght | A fraction of the circumference of a circle defined by the arc |

Arc of a Circle | Two points an a circle and continuous part of the circle between the two point |

Semicircle | An arc of a circle whose endpoint are the endpoint of a diameter |

Minor Arc | An arc of a circle whose lenght is less than the lenght of a circle |

Major Arc | An arc of a circle whose lenght is greater than the lenght of a semicircle of the circle |

Created by:
Dat Boii Felipe