__ | 1. | Altitude of a Triangle | | A. | Sometimes called the height of a triangle |

__ | 2. | Base (of a Polygon) | | B. | A two-dimensional surface on which points are plotted |

__ | 3. | Cone | | C. | For two-dimensional figures, any side can be a base |

__ | 4. | Coordinate Plane | | D. | A pair of numbers defining the position of a point |

__ | 5. | Coordinate Point of a Plane | | E. | A three dimensional figure with a circular base |

__ | 6. | Cylinder | | F. | 3 dimensional object with two parallel, circular bases |

__ | 7. | Deductive Reasoning | | G. | The process by which one makes conclusions |

__ | 8. | Diameter | | H. | The distance across a circle through its center |

__ | 9. | Geometric Solid | | I. | The collective term of all bounded 3D geometric figures |

__ | 10. | Height of Solids | | J. | the perpendicular distance from the top down to the base |