ocr: - W, - - - 2 E a - - - Tools Contents Audio Reference Example Notes Help Vector Length With a little help from Pythagoras, decomposing 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 the Y following: Vy-c component v2. V, X 2+ v, "y 2 - OR X V, X - - - component V= - - V,2 2+ - Vy 2