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# Angle Relationships

### Vocabulary Terms for Angle Relationships

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

An angle that measures less than 90 degrees is called an | Acute Angle |

An angle that measures exactly 90 degrees is called a | Right Angle |

An angle that measures more than 90 degrees is called an | Obtuse Angle |

An angle that measures exactly 180 degrees is called a | Straight Angle |

Two angles that are opposite from each other and congruent are called | Vertical Angles |

Two or more angles that have a sum of 180 degrees are | Supplementary Angles |

Two or more angles that have a sum of 90 degrees are | Complementary Angles |

A right angle measures exactly | 90 degrees |

A straight angle measures exactly | 180 degrees |

An acute angle measures | Less than 90 degrees |

An obtuse angle measures | Greater than 180 degrees |

Supplementary angles | Add up to 180 degrees |

Complementary angles | Add up to 90 degrees |

Vertical angles are | Congruent |

If Angle A is 50 degrees, what is the measure of its supplement? | 130 degrees |

If Angle A is 25 degrees, what is the measure of the angle that is vertical to it? | 25 degrees |

If Angle A is 20 degrees, what is the measure of its complement? | 70 degrees |

What is the measure of an angle that is congruent to 80 degrees? | 80 degrees |

If Angle A is 70 degrees, what is the measure of its supplement? | 110 degrees |

If Angle A is 60 degrees, what is the measure of its complement? | 30 degrees |

If Angle A is 145 degrees, what is the value of its vertical angle? | 145 degrees |

If Angle A is 80 degrees, what is the measure of its supplement? | 100 degrees |

Created by:
jgarrettmcms