Home » 3D Geometry Cheat Sheet
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Create Date | December 3, 2014 |

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## 3D Geometry Cheat Sheet

### Concepts Covered

- Distance Formula
- Section Formula
- Equation of a Line: Passing through a given point and having given direction ratios or direction cosines
- Equation of a Line passing through two points
- Angle between two lines
- Distance of a point from a line
- Distance between parallel lines
- Shortest distance between skew lines
- Equation of a Plane at a given distance from origin with known direction cosines of normal
- Equation of a Plane passing through a given point and known direction cosines of normal
- Equation of a Plane making given intercepts on the axes
- Equation of a Plane passing through a point and parallel to two lines
- Equation of a Plane passing through two points and parallel to a line
- Equation of a Plane passing through three non-collinear points
- Angle between two planes
- Angle between a line and a plane
- Distance of a point from a plane
- Distance between parallel planes