| Rectangular Co-ordinate System in Space , Shifting of origin |
| Direction Cosines , Direction Ratios of a Line |
| Angle between two Lines in 3D Space |
| Equation of Plane , Equation of Plane in Different Forms |
| Angle between two Planes | Perpendicular Distance from a Point to the Plane |
| Bisector Planes of Angle between two Planes |
| Straight line in three dimensional geometry |
| Intersection of Line and Plane |
| Shortest distance between two Skew Lines |