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# ERM 7th Geometry

### Geometry Terms

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

a figure that cannot be traced with the same starting and stopping points | open figure |

a figure in a plane that can be traced with the same starting and stopping points | closed figure |

a closed figure made of line segments that do not cross | polygon |

a point that is common to two sides of a polygon or an angle | vertex |

a line segment that connects one vertex to another vertex | diagonal |

an exact location in space | point |

a set of points that form a straight path extendending in opposite directions without end | line |

a part of a line that has one endpoint and continues without end in the other direction | ray |

a part of a ray or line that has two end points | line segment |

line segments that have the same length | congruent lines |

a five sided shape | pentagon |

a three sided shape | triangle |

a six sided shape | hexagon |

a four sided shape | quadrilateral |

a ten sided shape | decagon |

lines tht meet or cross each other | intersecting |

lines that never intersect | parallel lines |

lines that intersect to form a 90 degree angle | perpendicular lines |

a trangle that has no congruent sides | scalene |

a triangle with at least 2 congruent sides | isosceles |

a triangle with 3 congruent sides | equilateral |

a triangle with three acute angles | acute triangle |

a triangle with 1 right angle | right triangle |

a triangle with 1 obtuse angle | obtuse triangle |

a quadliteral with both pairs of opposite sides parallel and congruent | parallelogram |

a parallelogram with 4 congruent sides | rhombus |

a parallelogram with 4 right angles | a rectangle or square |

a quadliteral with 4 congruent sides | square |

a quadliteral that has exactly 1 pair of parallel sides | trapezoid |

Created by:
supermommorris