This topic is part of the HSC Mathematics Extension 1 syllabus under the topic Vectors.
Here we will investigate further operations with vectors, including defining, calculating and using the magnitude of a vector in two dimensions.
The magnitude of a vector
The magnitude of a vector is how long it is, this comes from Pythagoras theorem. Basically it is finding the length of the hypotenuse, or in our case, the actual vector!
Find the magnitude and direction of a vector