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# SHMS 7th Math Vocab4

### SHMS 7th Grade Math Vocab 4

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

Cross-section | A plane figure obtained by slicing a solid with a plane. |

Supplementary Angle | Two angles whose sum is 180 degrees. |

Vertical Angles | Two nonadjacent angles formed by intersecting lines or segments. Also called opposite angles. |

Probability | The chance that an event will occur expressed as a number between 0 and 1. |

Sample space | A set of all possible outcomes for an event or combination of events. |

Simple Event | Any event which consists of a single outcome in the sample space. |

Simulation | A model used to answer questions where chance is involved. |

Theoretical Probability | The likeliness of an event happening based on all the possible outcomes. |

Tree diagram | A visual model that sequentially lists all possible outcomes for an event. |

Compound Event | A combination of more than one simple event. |

Experimental Probability | The probability of an event occurring when an experiment was conducted. |

Circumference | The distance around a circle, found by multiplying the diameter by pi. |

Area | The number of square units used to cover a two-dimensional figure without gaps or overlaps |

Surface Area | The total area of each face of a three-dimensional figure. |

Volume | The amount of space the shape takes up in three dimensions: length, width, and height. |