Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Unit 4- Geometry

### Geometry Vocabulary

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

exterior angles that lie on opposite sides of the transversal | alternate exterior angles |

interior angles that lie on opposite sides of the transversal | alternate interior angles |

when parts of the theorem are reversed | converse |

angles that are in the same position on two parallel lines in relation to a transversal | corresponding angles |

using facts, rules, definitions, or properties to reach logical conclusions | deductive reasoning |

the square root of (x1-x2)^2 + (y1 - y2) ^2 | distance formula |

a polygon in which all angles are congruent | equiangular |

the four outer angles formed by two lines cut by a transversal | exterior angles |

a two-column proof containing statements and reasons | formal proof |

the side opposite the right angle in a right triangle | hypotenuse |

using a number of specific examples to arrive at a plausible generalization or predication | inductive reasoning |

a paragraph proof | informal proof |

four inside angles formed by two lines cut by a transversal | interior angles |

two sides of a right triangle that form the right angle | legs |

a paragraph that explains why a statement or conjecture is true | paragraph proof |

lines that never intersect no matter how far they extend | parallel lines |

two lines that intersect to form right angle | perpendicular lines |

a simple, closed figure formed by three or more line segments | polygon |

a logical argument in which each statement that is made supported by a statement that is accepted as true | proof |

in a right triangle, the square of the length of the hypotenuse c is equal to the sum of the squares of the lengths of the legs a and b | Pythagorean Theorem |

a polygon whose base is a regular polygon | regular polygon |

the angles of a triangle that are not adjacent to a given exterior angle | remote interior angles |

a statement or conjecture that can be proven | theorem |

a line that intersects two or more other lines | transversal |

a figure formed by three line segments that intersect only at their endpoints | triangle |

a formal proof that contains statements and reasons organized in two columns | two-column proof |

Created by:
mjhunter