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# Geo_6.1

### Vocabulary for Geometry_6.1

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

area | The number of square units needed to cover a surface. |

base of a parallelogram | Any side of a parallelogram. |

base of a triangle | Any side of a triangle. |

circumference | The distance around a circle. |

concave polygon | A polygon for which there is a line containing a side of the polygon that also contains a point in the interior of the polygon. |

equiangular polygon | A polygon for which there is a line containing a side of the polygon that also contains a point in the interior of the polygon. |

equilateral polygon | A polygon for which there is a line containing a side of the polygon that also contains a point in the interior of the polygon. |

height of a parallelogram | The length of an altitude of a parallelogram. |

height of a trapezoid | The perpendicular distance between the bases of a trapezoid. |

height of a triangle | The length of an altitude drawn to a given base of a triangle. |

n-gon | A polygon with n sides. |

perimeter | The sum of the lengths of the sides of a polygon. |

polygon | A closed figure formed by a finite number of coplanar segments called sides such that the sides have a common endpoint are noncollinear and each side intersects exactly two other sides, but only at their endpoints, called the vertices. |

regular polygon | A convex polygon in which all of the sides are congruent and all of the angles are congruent. |

sector of a circle | A region of a circle bounded by a central angle and its intercepted arc. |

segment of a circle | The region of a circle bounded by an arc and a chord. |

vertex of a polygon | The vertex of each angle of a polygon. |

Created by:
mtoepper