ocr: Glossary Editor WebCT This page allows you to specify which words in the text will be linked to the glossary. The page also allows you to define new glossary entries and view the definition of exsting glossary entnes. Fiename: LENGTH.HIM Vector Length With a little help from Pythagoras, decomposmg a vector into its X and Y components can help us derive its length, V. Notice that the original vector and its component vectors can be arranged to create a right triangle. - So, the. Pythagorean Theorem tells us thefollowing: Vy X - - component v2- v2. V,2 2 - - OR V. - component X V = - - - - v,2. ...