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# Geometry

### ARC Length and Sector Area

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

What is the Arc Length | An arc is a portion of the outside of a circle. Its length is a portion of the circumference, and can be found with a formula |

What is the formula for Arc Length | Arc Length = X/360 times pi(d) |

What is the sector area? | A sector is a piece of a circle. The area of a sector is a portion of the area of the circle, and can be found with a formula. |

What is the formula for Sector Area? | Sector Area = X/360(pi times r (squared) |

What is a chord? | When you draw a line segment from one part of a circle to another that does not go through the center of the circle. |

What is a segment of a circle? | the area between a chord and the outside of a circle. |

How do you find the area the segment of a circle? | Sector Area - Triangle Area x/360(pi times r squared) - 1/2bh |

What is the formula for circumference? | C=(pi)(D) |

Created by:
Kelly Arledge