# Math Vocabulary

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2016-04-13 05:11

## Section

Question | Answer |
---|---|

Circumference | C= pi r |

Area of a Square | A= S2 |

Area of a rectangle | A= L x W |

Area of a trapezoid | A= 1/2H (B + B2) |

Area of a circle | A= pi r2 |

Radius | line segment from the edge of the circle to the center of the circle r= 1/2d |

Diameter | line segment from edge to edge going through the center of the circle d=2r |

Complematary | -2 angle5 that when added equal 90 degrees |

Supplementary angles | -2angles that when added equal 180 degrees |

Adjacent angles | -2angles that are next to each other share a vertex |

Vertical angles | -2angles that are opposite share the same measurements |

Volume of a cube | vol.= L x W x H |

Volume of a rectangular prism | vol.= L x W x H |

Volume of a triangular prism | vol.= area x width |

Volume of a cylinder | vol.= area x height |

Volume of a sphere | 4/3 pi r3 |

Surface area of a cube | S.A= 6s2 |

Surface area of a rectangular prism | S.A= 2A + 2B + 2C |

Surface area of a triangular prism | S.A= 2 (1/2BH) + B x H2 + H1 - H2t |

Perimeter of a triangle | P= S1 + S2 + S3 |

Perimeter of a quadrilateral | P = S1 + S2 + S3 + S4 |

Perimeter of a rectangle | P= 2L + 2W |

Perimeter of a square | P= 4s |

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