Across |

2. | A part of a line that consists of two endpoints and all points between them |

5. | Points that lie on the same line. |

9. | A figure that is formed by two rays with the same endpoint |

10. | This law allows you to state a conclusion from two true conditional statements. |

11. | A 10 sided polygon |

14. | An accepted statement of fact. |

17. | A compound statement that connects two or more statements with an "OR". |

18. | An 11 sided polygon |

19. | A law that reasons that if a statement matches the hypothesis of a conditional statement, you can make a valid conclusion. |

21. | Two angles whose measure sum to 180 degrees |

24. | An if-then statement. |

26. | A synonym for postulate. |

28. | The property of equality that allows you to add the same thing to both sides. |

30. | The property of equality that allows you to subtract the same thing from both sides. |

31. | Describes an angle exactly 180 degrees |

33. | An 8 sided polygon |

34. | Describes two lines that intersect to form right angles |

38. | A segment, point or ray that divides a figure into two equal parts |

39. | Two angles whose measures sum to 90 degrees |

42. | A 7 sided polygon |

43. | A single true statement that combines a true conditional and a true converse |

46. | A geometric figure drawn using a compass and straightedge |

48. | A flat surface is represented that extends in two opposite directions |

49. | A straight path that extends in two opposite directions |

50. | Describes an angle between 0 and 90 degrees |

51. | A type of proof with statements on the left and reasons on the right |

52. | The property of equality that states a=a |