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# Geometry

### Section 5.3- Circles

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

What is a circle? | the set of all points equidistant from a given point. |

What is the center of a circle? | the original point (in the middle) |

What is the radius of a circle? | the distance from the center to the outside of the circle. |

What is the diameter of the circle? | The distance from one side to the other, passing through the center. |

What is the formula of the diameter? | 2 times the radius |

What is the circumference? | (perimeter) distance around the outside |

What is pie? | 3.14 or 22/7 |

What is the formula for the Circumference? | C = pi times d |

What is the formula for the area? | A = pi x r(squared) |

Created by:
Kelly Arledge