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# OL Chp8

### Chapter 8 Vocab

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

An exact location. | Point |

A straight path that extends without end in opposite directions. | Line |

A perfectly flat surface that extends infinitely in all directions. | Plane |

It has one endpoint and extends without end in one direction. | Ray |

A part of a line or a ray that extends from one endpoint to another. | Line Segment |

An angle that measures exactly 180 degrees. | Straight |

Two angles when added together equal 90 degrees. | Complementary |

Two angles when added together equal 180 degress. | Supplementary |

Intersecting lines that form 90 degree angles. | Perpendicular |

Lines that do not intersect. | Parallel |

Lines that do not intersect and are not parallel. | Skew |

Angles that have a common vertex and a common side. | Adjacent |

Opposite angles formed by two intersecting lines. | Vertical |

Angles on the same side of the transversal and are both above or below the parallel lines. | Corresponding |

A set of all points in a plane that are the same distance from a given point. | Circle |

Part of a circle names by its endpoints. | Arc |

A line segment that passes through the center of a circle and whose endpoints line on the circle. | Diameter |

A line segment whose endpoints are any two points on a circle. | Chord |

A line segment whose endpoints are the center of a circle and any point on the circle. | Radius |

A closed plane figure formed by three or more line segments. | Polygon |

A polygon in which all sides are congruent and all angles are congruent. | Regular |

A triangle that has no congruent sides. | Scalene |

A triangle that has 2 congruent sides. | Isosceles |

A triangle with 3 congruent sides. | Equilateral |

A triangle in which all of the angles are less than 90 degrees. | Acute |

A triangle that has exactly one angle greater than 90 degrees. | Obtuse |

A triangle that has exactly one angle that is equal to 90 degrees. | Right |

Created by:
hoffman_mike