Stage 29 · Spatial Vectors & Solid Geometry
29.2.3 The 3D Coordinate System
29.2 Putting a Coordinate Grid on Space — The Basis Theorem and Coordinates
Point 3 of 6
29.2.3 The 3D Coordinate System
Core ideaTreat the three edges at a corner as the x, y, and z axes, and every point in space gets its own three labels (x,y,z).
Module goal. Use three non-coplanar vectors as a "skeleton" to describe every vector in space, then set up a 3D coordinate system that turns both vectors and points into three numbers, laying the groundwork for the calculations ahead.