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1. | straight path with no thickness and extends forever |

3. | a ray that divides an angle into congruent angles (2 Words) |

4. | two angles whose measures have the sum of 180 (2 Words) |

5. | part of a line betwen 2 points (2 Words) |

6. | a point that bisects or divides the segment into two congruent segments |

7. | three or more points on the same line |

8. | a figure formed by two rays with a common endpoint called the vertex |

9. | pair of adjacent angles whose noncommon sides are opposite rays (2 Words) |

11. | are two nonadjacent angles formed by two intersecting angles (2 Words) |

13. | can be any side of a triangle |

14. | point at the end of segment |

15. | segment that passes through the center of the circle and whose endpoints are on a circle |

17. | a segment from a vertex that forms a right angle with a line containing the base |

19. | flat surface with no thickness and extends forever |