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# Geometry Ch 2 & 3

### Basic terms of logic and parallel lines

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

Two angles whose sides form two pairs of opposite rays and have equal measures | Vertical angles |

Two adjacent angles which form a line and are supplementary | Linear Pair |

Two angles whose sum is 90 | Complementary angles |

Two angles whose sum is 180 | Supplementary angles |

A statement which has a true conditional and true converse | Biconditional |

XY = XY | Reflexive |

If AB=CD, then CD=AB | Symmetric |

If AB=CD and CD=EF, then AB=EF | Transitive |

What is the relationship of Alternate Interior Angles on parallel lines? | They are congruent |

What is the relationship of Same Side Interior Angles on parallel lines? | They are supplementary |

What is the relationship of Corresponding Angles on parallel lines? | They are congruent |

sqrt((change x)(^2)+(change y)(^2)) | Distance formula |

((x+x)/2,(y+y)/2) | Midpoint formula |

y = mx+b | Slope intercept form |

A polygon with all the same sides and same angles | Regular polygon |

The sum of the exterior angles of a polygon is? | 360 |

180(n-2) | Sum of the interior angles of a polygon |

A line that intersects two coplanar lines at two distinct points | Transversal |

The measure of each exterior angle of a triangle equals? | The sum of the measures of its two remote interior angles |

A statement in "if-then" form | Conditional |

Switches the hypothesis and conclusion of a conditional | Converse |

Created by:
mgarwood