Coordinate geometry or Analytic geometry

Points, Lines and Planes in Three-Dimensional (3D) Space Position of two lines in a three-dimensional space Line and plane in a three-dimensional space Two planes in a three-dimensional space
The line of intersection of two planes  Orthogonal projection of a point onto a plane
The distance from a point to a plane Angle between a line and a plane, and angle between two planes
Plane Analytic Geometry Coordinate plane, points, line segments and lines Dividing a line segment in a given ratio Area of a triangle
The coordinates of the centroid of a triangle Slope-intercept form of a line,  y = mx + c
Slope or gradient, y-intercept and x-intecept The intercept form of the equation of the line
Lines parallel to the coordinate axes, horizontal and vertical lines The point slope form of the equation of a line
The two point form of the equation of a line The parametric equations of a line
Parallel and perpendicular lines Hessian normal form of the equation of a line
Distance between a point and a line Lines and points relations, examples
 Points, Lines and Planes in Three-dimensional Coordinate System Represented by Vectors
Equations of a line in space   Orthogonal projection of a line in space onto the xy coordinate plane A line in a 3D space examples   The equation of a plane in a 3D coordinate system The intercept form of the equation of a plane
A plane in a 3D coordinate system, examples       Through a given point pass a line perpendicular to a given plane Projection of a point onto a plane  Plane laid through a given point, such that be parallel with two skew lines, example
Plane laid through a given point, such that be parallel with two parallel lines, example Distance between point and line, example
Distance between point and plane, example Distance between parallel lines, example
Distance between two skew lines, example 