The vector subtractions AB - AC and AC-AB are illustrated using the "parallelogram law" to produce vector AD and AD' respectively.

## Software/Applets used on this page

Uses the CabriJava interactive geometry applet. You can download the file by double-clicking on the display and then selecting the option at bottom right. You can then load it into your copy of Cabri.

## Glossary

### vector

A mathematical object with magnitude and direction.

## This question appears in the following syllabi:

Syllabus | Module | Section | Topic | Exam Year |
---|---|---|---|---|

AQA A-Level (UK - Pre-2017) | M1 | Vectors | Vector theory | - |

AQA AS Maths 2017 | Mechanics | Vectors | Vector Basics | - |

AQA AS/A2 Maths 2017 | Mechanics | Vectors | Vector Basics | - |

CCEA A-Level (NI) | M1 | Vectors | Vector theory | - |

CIE A-Level (UK) | M1 | Vectors | Vector theory | - |

Edexcel A-Level (UK - Pre-2017) | M1 | Vectors | Vector theory | - |

Edexcel AS Maths 2017 | Pure Maths | Vectors | Vector Basics | - |

Edexcel AS/A2 Maths 2017 | Pure Maths | Vectors | Vector Basics | - |

OCR A-Level (UK - Pre-2017) | M1 | Vectors | Vector theory | - |

OCR AS Maths 2017 | Pure Maths | Vectors | Vector Basics | - |

OCR MEI AS Maths 2017 | Pure Maths | Vectors | Vector Basics | - |

OCR-MEI A-Level (UK - Pre-2017) | M1 | Vectors | Vector theory | - |

Pre-U A-Level (UK) | Mech | Vectors | Vector theory | - |

Universal (all site questions) | V | Vectors | Vector theory | - |

WJEC A-Level (Wales) | M1 | Vectors | Vector theory | - |