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# second quarter

### vocabulary

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 a circle through the center, all the way across |

Pi | 3.14 |

Area of a Circle | A= pi x radius x radius |

Circumference of a Circle | C = pi x diameter |

volume | number of cubic units that fill a container, 3D |

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 | prism with rectangular faces |

Triangular Prism | prism with triangular faces |

Cube | prism with square sides and faces |

Cylinder | solid figure with 2 equal circular bases that are parallel |

Cone | solid figure with a circular base connected to a vertex (point) |

Sphere | solid figure with a curved surface in which all points on the surface are equal distance from the center |

volume of a rectangular prism | v = length x width x 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 |

Created by:
ppearson