# Module 6-9 Formulas, Facts, Terms

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angelicac27424's
version from
2016-04-19 01:38

## Section

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

Formula for circumference when given radius | C= 2(pi)r |

Formula for circumference when given diameter: | C= pi(d) |

Formula for radius with diameter given | R= d/2 |

Formula for radius with given circumference: | R= c/ 2(pi) |

Formula for diameter | D= 2r |

Area of circle | Pi(r)^2 |

To know if a triangle can be made with the angles given, use the formula: | 1+2> 3, 1+3> 2, 2+3> 3. Do not use the actual numbers, 1, 2, and 3 plug the numbers in. |

Scale drawing is the base of a shape highlighted. If there was a part highlighted Ina cone, what would ,oust likely be highlighted? | A circle |

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