• Equation of a line
  • Angle between two lines
  • Distance of a point from a line
  • Distance between parallel lines
  • Shortest distance between skew lines
  • Equation of the angle bisectors of two lines
  • Equations of a plane
  • Angle between two planes
  • Angle between a line and a plane
  • Distance of a point from a plane
  • Distance between parallel planes
  • Family of planes
  • Equation of the angle bisectors of two planes