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# GS Ch.1 Points,lines

### GS - Geometry H.- Ch.1 - Points, lines, and planes

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

Equidisant | Points edually distant from each other. |

A Point | It has no lenth, no width, and no thickness. |

A Line | Infinite set of points that extend in two directions. A line has lenth, but no width and no thickness. |

A Plane | An infinite set of points that creates a flat surface that without ending. A plane has lenth and width, but no thickness. |

Space | The set of all points. |

Collinear | Points on the same line. |

Noncollinear | Points not on the same line. |

Coplanar | Points on the same plane. |

Noncoplanar | Points not in the same plane. |

Intersection | Lines, segments, planes, etc... that cross each other at one point. |

Segment | Named by giving its endpoints. |

Ray | Named by giving its endpoint and another point on the line with one arrow. |

Lenth | The distance between two points. |

Congruent | Two objects that have the same size and shape. |

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

Bisector of a segment | A segment bisector is a line, segment, ray, or plane that intersects a segment at its midpoint. |

Angle | A figure formed by two rays with the same endpoint |

Measure of an angle | A protractor, or computing the absolute value of the difference of these numbers can be used to find the ... |

Acute | 0 < m |

Obtuse | 90 < m |

Right | m |

Straight | m |

Congruent angles | Two angles with equal measures. |

Bisector of an angle | The ray that divides an angle into two congruent angles. |

Adjacent angles | Coplanar angles with a common vertex nand a common side but no common interior points. |

Postulate | A basic assumption accepted without proof. |

Theorem | A statement that can be proved using postulates, definitions, and previously proved theorems. |

Exists | There is at least one. |

Unique | Exactly one. |

Determine | To define or specify. |

Created by:
MrGman