1. | A parallelogram whose sides are all congruent. |

3. | In a right triangle, the side opposite the right angle. |

5. | An arc whose endpoints are the diameter of a circle. |

6. | A true statement that needs to be proven. |

8. | In a segment, a line, segment ,ray or plane that intersects the segment at its midpoint. |

10. | Represents an exact location in space. It has no size. |

11. | A parallelogram with all angles congruent. |

12. | Geometric figures which are three-dimensional. |

13. | A statement that validity or truth of which are assumed without proof. |

14. | The measure of the amount of space contained in a solid. |

18. | A parallelogram whose sides and angles are all congruent. |

19. | A flat polygonal surface of a polyhedron. |

20. | A polyhedron with two congruent parallel faces known as bases. |

22. | The distance around a circle. |

23. | A polyhedron with all faces, except one, intersecting at a point called vertex. |

24. | A quadrilateral with exactly one pair of opposite sides parallel. |

25. | The segment where two faces of a polyhedron intersect. |

29. | The number of a square units contained in the interior of a plane figure. |

30. | A four-sided polygon. |

34. | One of the four regions into which two perpendicular number lines separate the Cartesian plane. |

35. | Is a line which intersects the circle at two distinct points. |

36. | Two angles sharing a common side and vertex but no interior points in common. |

38. | An expression that compares two quantities by division. |

39. | Angles whose vertex is on the circle and whose side are chords of the circle. |

40. | Is the set of all points in the plane whose distance from the center is less than the radius. |

41. | A line segment joining two nonconsecutive vertices of a polygon. |

44. | A set of infinitely many points in straight arrangement and extends indefinitely in opposite directions. |