Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# 4.G.1

### Shannon 4.G.1 Vocabulary

Term | Definition |
---|---|

Acute Angle | An angle with a measure less than 90° |

Acute Triangle | A triangle with no angle measuring 90º or more |

Angle | Two rays or line segments that share an endpoint |

Classify | To sort into categories or to arrange into groups by attributes |

Degrees | A unit for measuring angles |

Line Segment | A part of a line with two endpoints |

Line of Symmetry | A line that divides a figure into two congruent halves that are mirror images of each other |

Obtuse Angle | An angle with a measure greater than 90º but less than 180º |

Obtuse Triangle | A triangle that contains 1 angle with a measure greater than 90º (obtuse angle) and 2 acute angles |

Parallel Lines | Lines that are always the same distance apart and do not intersect |

Perpendicular Lines | Two intersecting lines that form right angles |

Point | The exact location in space represented by a dot |

Ray | A part of a line that has one endpoint and goes on forever in one direction |

Right Angle | An angle that measures exactly 90º |

Right Triangle | A triangle that has one 90º angle |

Straight Angle | An angle that measures exactly 180º |

Triangle | A polygon with 3 sides and 3 angles |

Two-dimensional Figure | A plane, flat figure that has length and width |

Intersecting Lines | Two lines that intersect at a point |

Equilateral | Having all its sides of the same length. |

Scalene | Having sides unequal in length. |

Isosceles | Having two sides of equal length. |

Created by:
ashannon