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# VS Geometry

### Introduction to Geometry Vocabulary

Question | Answer |
---|---|

The set of points containing two points on a line, called endpoints. | segment |

Two lines that intersect to form right angles | Perpendicular Lines |

A triangle that has at least two congruent sides. | Isosceles Triangle |

A closed figure formed by the coplanar line segments that are joined at their endpoints. | Polygon |

An infinite set of points extending in two directions | Line |

Points that are contained on the same line | Collinear |

A union of two rays that share a common endpoint. | Angle |

Two coplanar angles that share a common vertex and a common side. | Adjacent Angles |

The angle opposite the base. | Vertex |

A position in space | Point |

The part of a triangle that is the line segment drawn from any vertex of the triangle to the midpoint of the opposite side. | Median |

The set of points extending in all directions. | Plane |

A point that divides a line segment into two congruent segments. | Midpoint |

A line that is perpendicular to the line segment, intersecting the line segment at its midpoint. | Perpendicular Bisector |

A ray whose endpoint is the vertex of the angle. | Side |

A triangle that has three congruent sides. | Equilateral Triangle |

A quadrilateral that has only one pair of parallel sides, called bases. | Trapezoid |

A quadrilateral whose opposite sides are parallel. | Parallelogram |

The congruent angles located at the base of a triangle. | Base angles |

A four sided polygon. | Quadrilateral |

Points that are contained on the same plane. | Coplanar |

A rhombus with four right angles | Square |

The line segment drawn from any vertex of the triangle, perpendicular to the opposite side. | Altitude |

A parallelogram with four congrudent sides. | Rhombus |

When two figures have the same size and shape. | Congruent |

The intersection of two rays of an angle. | Vertex |

A line that intersects the segment at its midpoint, dividing the segment into two congruent segments. | Bisector |

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fishers