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# Geometry 4 voc

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

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

plane figures that have the same size and shape | congruent |

Which angle is bigger than a right angle(>90)? | An obtuse angle |

Which angle is smaller than a right angle(<)? | An acute angle |

point where edges meet | vertex |

polygon with only one pair of parallel sides | trapezoid |

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 |

set of points that is endless in both directions | line |

line that has two endpoints | line segment |

lines that cross each other at one point | intersecting lines |

lines that are always the same distance apart and never cross | parallel lines |

lines that cross at one point, and form right angles | perpendicular lines |

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

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

triangle with 3 equal sides and 3 equal angles | equilateral |

triangle with 2 equal sides and 2 equal angles | isosceles |

triangle with no sides the same length | scalene |

any line segment that joins a point on the circle to the center of the circle | radius |

any line segment that passes through the center of a circle and has its endpoints on the circle | diameter |

a figure can be folded so its two parts match exactly | line of symmetry |

the sum of areas of all the faces of a solid figure | surface area |

the number of cubic units that make up a figure | volume |

quadrilateral with opposite sides parallel and the same length | parallelogram |

Created by:
malicki