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# Geometry Vocabulary

### Unit 3

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

a triangle where all angles are acute | acute triangle |

a triangle where at least two sides are congruent | isosceles triangle |

a triangle where all angles are congruent | equiangular triangle |

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

in a triangle, the point of concurrency of the medians. (center of gravity) | centroid |

in a triangle, the segment connecting the midpoints of two sides | midsegment |

the circle is inside the triangle and touches each of the 3 sides | inscribed in |

a triangle where all sides are congruent | equilateral triangle |

a triangle where one angle is 90 degrees (one right angle) | right triangle |

a triangle where one of the angles is obtuse | obtuse triangle |

a triangle where none of the sides are congruent | scalene triangle |

a triangle is both equilateral and equiangular | regular triangle |

a line that splits one angle into two congruent angles | angle bisector |

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

a line that splits a segment into two congruent segments | perpendicular bisector |

the point of currency of the perpendicular bisectors of the triangle | circumcenter |

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

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

the circle is around/on the outside of the triangle and contains the triangle vertices | circumscribed about |

equal distances | equidistant |

when 3 or more lines intersect in one point | concurrent |

the point at which 3 or more lines intersect | point of concurrency |

Created by:
courtneyc1998