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# McRoy's Ch. 3 Vocab

### Vocabulary from Mr. McRoy's Honors Geometry

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

1. Two lines that intersect to form four right angles. | Perpendicular |

2. Two lines that do not intersect and are not coplanar. | Skew |

3. Two lines that do not intersect and are coplanar. | Parallel |

4. Two angles that share a vertex and whose sides form two pairs of opposite rays. | Vertical angles |

5. Two angles that are formed by two lines and a transversal and that lie between the two lines on the same side of the transversal. | Consecutive interior |

6. Two angles that are formed by two lines and a transversal and that lie outside the two lines on opposite sides of the transversal. | Alternate exterior |

7. Two angles that are formed by two lines and a transversal and occupy the same relative positions. | Corresponding |

8. Two angles that are formed by two lines and a transversal and that lie between the two lines on opposite sides of the transversal. | Alternate interior |

9. Two adjacent angles whose noncommon sides are opposite rays. | Linear pair |

10. To have the same measure. | Congruent |

11. To have one or more points in common. | Intersect |

12. The statement formed when one negates the hypothesis and conclusion of a conditional statement. | Inverse |

13. The statement formed by switching the hypothesis and conclusion of a conditional statement. | Converse |

14. Rules that are accepted without proof. | Postulates |

15. Points that lie on the same plane. | Coplanar |

16. An unproven statement that is based on observations. | Conjecture |

17. An angle that combines with a given angle to total 90o. | Complement |

18. An angle that combines with a given angle to total 180o. | Supplement |

19. A true statement that follows as a result of other true statements. | Theorem |

20. A line that intersects two or more lines at different points. | Transversal |

21. An angle that measures exactly 90o. | Right angle |

22. The statement formed when one negates the hypothesis and conclusion of the converse of a conditional statement. | Contrapositive |

23. Two angles with a common side and vertex, but no common interior points. | Adjacent angles |

24. A type of logical statement that has a hypothesis and conclusion. | Conditional |

25. Two rays that intersect to form a line. | Opposite rays |

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dmcroy1