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# ch 5 austin

### extra credit

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

locus | a set of points that satisfies a given condition |

inscribed circle | a circle in which each side of the polygon is tangent to the circle |

median of a triangle | a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side |

midsegment of a triangle | a segment that joins the midpoints of two sides of the triangle |

orthocenter of a triangle | the point of concurrency of the three altitudes of a triangle |

point of concurrency | a point where three or more lines coincide |

Pythagorean triple | a set of three nonzero whole numbers a, b, c such that a^2 + b^2 = c^2 |

altitude of a triangle | a perpendicular segment from a vertex to the line containing the opposite side |

centroid of a triangle | the point of concurrecy of the three medians of a triangle. Also known as the center of gravity |

circumcenter of a triangle | the point of concurrency of the three perpendicular bisectors of a triangle |

circumscribed circle | every vertex of the polygon lies on the circle |

concurrent | three or more lines that intersect at one point |

equidistant | the same distance from two or more objects |

incenter of a triangle | the point of concurrency of the three angle bisectors of a traingle |

Created by:
bhsgeometry