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# Unit 6 Vocab

### Measurement

Term | Definition |
---|---|

Volume | The measure of space taken up by the solid. The amount of "stuff" needed to FILL the solid. |

Surface Area | The sum of the areas of all the surfaces. The amount of "stuff" needed to WRAP the solid. |

Area | The number of square units needed to cover one surface of an object. |

Faces | The sides of an object. |

Edges | The points where the faces of an object meet. |

Vertices | The points where the corners of faces meet. |

Rectangular Prism | A solid, 3-dimensional figure with opposite sides parallel. The prism has 6 faces (sides) which are rectangular. This figure looks like a box. |

Cylinder | A solid, 3-dimensional figure with 2 congruent (equal) circles as bases. This figure looks like a tube or a can. |

Pi | The ratio of a circle's circumference to its diameter. The circumference of any circle divided by its diameter. We use 3.14 |

Circumference | The distance around the outside of a circle. |

Radius | The distance from the center of a circle to any point on the circle. |

Diameter | The distance across the circle through the center of the circle. |

Net | A pattern you can cut and fold to make a model of a solid shape. |

Hold, Capacity, Fill | Other words that indicate VOLUME. |

Wrap, Cover, Enclose | Other words that indicate SURFACE AREA |

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scash