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### geometry vocabulary word review

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

Which angle makes a 90 degree angle, or the "perfect L?" | A right angle |

What two things must be true about 2 shapes being congruent? | They have to be the same size and same shape |

Which angle is bigger than a right angle? | An obtuse angle |

Which angle is smaller than a right angle? | An acute angle |

Which polygon has 3 sides? | A triangle |

Which triangle has one right angle? | A right triangle |

Which quadrilateral has 4 right angles and all sides are the same length? | square |

Which quadrilateral has 4 right angles and the opposite sides are the same length? | rectangle |

What is an exact position? | point |

What is a set of points that is endless in both directions? | line |

What is part of a line that has two endpoints? | line segment |

What is part of a line that has one endpoint and goes endlessly in one direction? | ray |

What are the lines called that cross at one point? | intersecting lines |

What are the lines called that never cross? | parallel lines |

What are the lines called that cros at one point, but form right angles? | perpendicular lines |

What is the distance around a figure called? | perimeter |

What is the number of square units needed to cover the inside of a figure called? | area |