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# geom pop (1.11-1.14)

### pop quiz

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

scalene | triangle with no two sides equal |

isosceles | triangle with at least two sides equal |

legs | equal sides of an isosceles triangle |

base | the unequal side of an isosceles triangle |

base angles | angles at the base of the isosceles triangle |

vertex angle | angle opposite the base of the isosceles triangle |

equilateral | triangle with all three sides equal |

acute | a triangle with three acute angles |

obtuse | a triangle with an obtuse angle |

right | a triangle with a right angle |

hypotenuse | the side opposite the right angle in a right triangle |

legs | the two sides that aren't the hypotenuse of the right triangle |

equiangular | a triangle with three equal angles |

polygon | a plane figure bounded by straight lines |

sides | the straight lines bounding a polygon |

vertices | the intersections of the sides in a polygon |

base | the side upon which a polygon is supposed to stand |

interior angle | angle formed by two consecutive sides of a polygon |

exterior angle | angle formed by one side of a polygon and the adjacent side extended |

consecutive/adjacent sides | two sides that meet at any vertex in a polygon |

diagonal | a line joining two vertices that are not consecutive in a polygon |

convex polygon | polygon whose interior angles are less that 180 degrees |

concave polygon | polygon with at least one interior angle greater than 180 degrees |

regular polygon | a polygon which is both equiangular and equilateral |

center of the polygon | common point where the bisectors of the interior angles intersect |