click below

click below

Normal Size Small Size show me how

# Angle Vocabulary

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

Angle | A figure formed by two rays that have the same endpoint |

Vertex | a meeting point of two rays that form an angle |

Acute angle | an angle whose measure is greater than 0 degrees but less than 90 degrees |

Obtuse angle | an angle whose measure is greater than 90 degrees but less than 180 degrees |

Right angle | an angle whose measure is equal to 90 degrees |

Straight angle | an angle that has a measure of 180 degrees |

Adjacent angle | two angles in a plane that share a common vertex and a common side, but that no common interior points |

Congruent angles | angles that have the same measure |

Angle bisector | divides an angle into two congruent angles |

Vertical angles | the opposite angles formed when two lines intersect; congruent |

Complementary angles | two angles whose measures have the sum of 90 degrees |

Supplementary Angles | two angles whose measures have the sum of 180 degrees |

Linear pair | two adjacent angles whose non-common sides are opposite rays; form a straight line |