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# Second quarter

### Vocab

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

Circle | Set of points equal distance from the center,closed curve,360 degrees |

Circumference | Distance around the outside of a circle |

Radius | Distance from the center of a circle to the edge,1/2 way across |

Diameter | Distance across the circle through the center |

Formulas | 3.14 diameter d |

Volume | 3 dimensional number of cubic units needed to fill a container |

Capacity | Amount a container will hold when full |

Prism | A solid figure with 2 parallel faces that are polygons of the same shape |

Rectangular prism | Rectangular faces |

Cube | Square faces |

Triangular prism | Triangle faces |

Cyliinder | Solid figure with 2 equal circular bases that are parallel |

Cone | Solid figure with 2 circular bases that are parallel |

Sphere | Solid figure with a curved surface in which all points on the surface are equal distance from the center 4/3 3.14 (5)3 |

Volume of a rectangular | V=length-width-height |

volume of a cube | v=length x width x height |

volume of a triangular prism | v= 1/2 base x height x height |

volume of a cylinder | v=3.14 x r x r x h |

volume of a cone | v=1/3 x 3.14 x r x r x h |

volume of a sphere | v=4/3 x 3.14 x r x r x r |

pie | 3.14 |

area of a circle | a=pi x diameter |