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# Geo Scavenger Hunt

### Course 1 Chapter 9

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

straight angle | An angle whose measure is exactly 180 degrees. |

obtuse angle | An angle whose measure is > 90 and <180 degrees. |

right angle | An angle whose measure is exactly 90 degrees. |

acute angle | An angle whose measure is < 90 degrees. |

supplementary angle | Two angles are supplementary if the sum of their measures is 180 degrees. |

corresponding angel | Angles that occupy corresponding positions When a line intersects two other lines. When a line intersects two parallel lines, corresponding angles are congruent. |

complementary angle | Two angles are complementary if the sum of their measures is 90 degrees. |

congruent angles | Angles of the same measure. |

verticle angles | When two lines meet at a point,the opposite angles. |

adjacent angles | Two angles on a flat surface that share a common side and a vertex and do not overlap. |

plane | A flat surface that extends without end. |

acute triangle | A triangle with 3 acute angles. |

right triangle | A triangle with a 90 degree angle. |

obtuse triangle | A triangle with an obtuse angle. |

trapezoid | A quadrilateral with exactly 1 pair of parellel sides. |

parallelogram | A quadrilateral with 2 pairs of parallel sides. |

rectangle | A parallelogram with 4 right angles. |

square | A parallelogram with 4 right angles and 4 congruent sides. |

rhombus | A parallelogram with 4 congruent sides. |

isosceles triangle | A triangle with two congruent sides |

equilateral triangle | A triangle with three congruent sides. |

scalene triangle | A triangle with no congruent sides |

diagonal line | A segment, other than a siide, that connects two vertices of a polygon. |

perpendicular lines | Lines which meet to form four right(90 degree) angles |

intersecting lines | Two lines that meet at a point. |

parallel lines | Two lines which never intersect |

hexagon | A polygon with six sides |

pentagon | A polygon with five sides |

octagon | A polygon with eight sides |

Created by:
mrsdavidovich