CoOrdinates of a Point in a Space Distance formula Division (section) formulae Midpoint formula
Direction cosines (dc's) of a line Relation between the direction cosines of a line Direction ratios (DR's) of a line Relation between direction cosines (DC's) and direction ratios (DR's) The direction ratios (DR's) of the line joining two points Projection of a line segment Angle between two lines Projection of the line joining two points Planes Intercept form of a plane Three point form of a plane Normal Form of Equation of a Plane Transformation to the Normal Form Angle between Two Planes Condition for Perpendicularity Condition for Parallelism
Perpendicular Distance of a Point from a Plane
Reflection (Image) of a Point in the Plane Equation of Plane through Intersection of the Planes Equation of Planes Bisecting the Angles between Two Planes
Distance between Parallel Planes Condition for Four Points to be Coplanar Straight lines Symmetrical Form Any point on the Line Two Points form of Equation of Line Conversion of Nonsymmetrical form into Symmetrical Form Plane and a line Angle between a Line and a Plane Conditions for a Line to Lie in a Plane Condition for Two Lines to Intersect (or to be coplanar) Shortest Distance between Two Skew Lines
