Three Dimensional Geometry

This topic covers concepts, such as, Distance Formula in 3D: Cartesian Form, 3D Cartesian Coordinate System, Coordinates of Circumcentre of a Triangle in 3D & Locus of a Point in 3D etc.

This topic covers concepts, such as, Directions Cosines of a Line, Direction Cosines of a Line Joining Two Points, Direction Ratios of a Line, Direction Ratios of a Line Joining Two Points & Direction Cosines of Axes etc.

This topic covers concepts, such as, Planes in 3D, Definition of Plane in 3D, Regular Tetrahedron & Centroid of Tetrahedron etc.

This topic covers concepts, such as, Family of Planes Parallel to Coordinate Planes, Family of Planes Parallel to Coordinate Axes, Planes Having Common Line of Intersection & Planes Form a Triangular Prism etc.

This topic covers concepts, such as, Equation of a Line through a Point and Parallel to a Vector, Equation of a Line in 3D: Symmetric Form, Foot of Perpendicular from a Point to a Line in 3D & Image of a Point in a Line in 3D etc.

This topic covers concepts, such as, Angle between Two Lines in 3D, Parallel Lines in 3D, Interaction between Two or More Lines & Condition for Coplanarity of Two Lines etc.

This topic covers concepts, such as, Angle between Line and a Plane in Vector Form, Angle between a Plane and a Line, A Line and a Plane & Line of Greatest/Least Slope in a Plane etc.