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# Unit 5 Vocab (Geome)

### Unit 5 Vocabulary Geometry

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

Acute Angle | An angle with a measure greater than 0 degrees and less that 90 degrees. |

Acute Triangle | A triangle having three acute angles. |

Adjacent Angles | Angles that have the same vertex, share a common side, and do not overlap. |

Complementary Angles | Two angles who's sum is 90 degrees. |

Congruent Angles | Angles that have the same measure. |

Equilateral Triangle | A triangle having three congruent sides. |

Isosceles Triangle | A triangle having at least two congruent sides. |

Obtuse Angle | Any angle that measures greater than 90 degrees but less than 180 degrees. |

Obtuse Triangle | A triangle having one obtuse angle |

Right Angle | An angle that measures exactly 90 degrees. |

Right Triangle | A triangle having one right angle. |

Scalene Triangle | A triangle having no congruent sides. |

Straight Angle | An angle that measures exactly 180 degrees. |

Supplementary Angles | Two angles who's sum measures 180 degrees. |

Triangle | A figure with three sides and three angles. |

Vertical Angles | Opposite angles formed by the intersection of two lines. These angles are congruent. |

What are two ways to classify a triangle? | By its sides and by its 3rd angle. |

Created by:
hgriffith