# Representing vectors

You can represent vectors in 3 ways:

`a` | or | `vec (AB)` | or | `((3),(4))` |

Lower case letter | Capitals with an arrow above | Column |

As follows

Further examples

**Example 1**

This triangle is made up of three vectors:

`a`, `b` and `c`

**Example 2**

This triangle is made up of three vectors:

`vec (AB)`, `vec (BC)` and `vec (CA)`

**Example 3**

This triangle is made up of three vectors:

`((2),(3))` and `((2),(-3))` and `((-3),(0))`