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# EuclideanGeometry

### EuclideanGeometry Chapter 1

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

What is an unproven statement that is based on observations? | Conjecture |

What is a process that involves looking for patterns and making conjectures? | Inductive reasoning |

What is an example that shows a conjecture is false? | Counterexample |

What has no dimension? | A point |

What can extend in ONE dimension? | A line |

What can extend in TWO dimensions? | a plane |

What are points that lie on the same line? | Collinear points |

What are points that lie on the same plane? | Coplanar points |

All the points on a line between 2 points is called what? | segment |

What are the points at the beginning and end of a line segment called? | endpoints |

What has an initial point only? | ray |

If point C is between point A and point B and ray CA and CB are what type of rays? | opposite |

If 2 or more geometric figures have 1 or more points in common, then they do what? | intersect |

What is a rule that is accenpted without proof? | Axiom or postulate |

What is the real number that corresponds to a point? | Coordinate |

How do you write the distance between point A and B? | AB |

What is the absolute value of the difference between 2 coordinates called? | distance |

What can AB also be represent? | length |

WHat do you say when 3 points are on a line? | One of them is BETWEEN the other two. |

What is Postulate 2 Segment addition Postulate? | If B is between A and C, then AB + BC = ACAB + BC = AC, then B is between A and C |

A formula for computing the difference between two points in a coordinate plan is called what? | Distance Formula |

What is the DIstance Formula? | |

What are segments that have the same length called? | congruent segments |

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ves12293