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# Unit 2 Geometry

### Tools of Geometry

Question? | Answer. |
---|---|

What has no length, width, or thickness, but has a position | Point |

What is the definition of space? | The boundless 3-dimensional set of all points |

What ha no length, no width, or thickness, it extends with end in two directions. | Line |

Points that lie on the same line are what? | Colilinear Points |

Define plane. | A flat surface that has no thickness,it extends without end in all directions. |

Points an d lines in the same plane are? | Coplaner |

What do intersecting lines share? | They shaare a point. |

A statement accepted to be true without proof is known as what? | Postulate |

What is a line segment? | It is a portion of a line between two points, called endpoints. |

What is part of a line that consits of an initial point abd all points on the line that lie on one side of the initial point. | Ray |

What are parallel line? | Coplaner lines that do not intersect. |

Lines that are noncoplaner, therefore, they are not parallel and do not intersect are what? | Skew Lines |

Lines that intersect to form right angles are what kind of lines? | Perpindicular Lines |

Opposite Rays | These start at the smae, and go in opposite directions. |

What are right angles? | Angles that are exactly 90 degrees |

Angles that are larger than 90 degrees but less than 180 are? | Obtuse angles |

Two segments with the same length are? | Congruent Segments |

What is a midpoint? | A point that divides a segment into two congruent segments, it bisects the segment. |

What are angles? | Two rays that are connected at their endpoints calles the vertex. |

Angles are have the same measure of degree are? | Congruent Angles |

What does an angle bisector do? | Cuts an angle into two congruent angles |

What is inductive reasoning? | A reasoning based on observed patterns |

A conclusion reached through inductive reasoning is what? | Conjecture |

What is a counter-example? | An example enough to disporve a conjecture |

Points and lines in the same plane are what? | Coplaner |

What are coorinates? | Numbers associated with a point on a line |

Created by:
floppy8149