- Cartesian Coordinate System & Cartesian Plane
- Derivation of Distance formula
- Use of Distance formula
- Problem 1: Use of Distance formula
- Points Dividing the Join of Two Points in Given Ratio
- More on Points Dividing Join of Two Points in Given Ratio
- Problem1a-Points Dividing the Join of Two Points in Given Ratio
- Problem1b-Points Dividing the Join of Two Points in Given Ratio
- Condition that Altitudes of Triangle are Concurrent
- Moreo on Condition that Altitudes of Triangle are Concurrent
- Problem1-Condition that Altitudes of Triangle are Concurrent
- Condition that Right Bisectors of Triangle are Concurrent
- More on Condition that Right Bisectors of Triangle Concurrent
- Problem1-Condition that Right Bisectors of Triangle are Concurrent

- Equations of a Straight Line
- More on Equations of Straight Line
- Problem-Equations of a Straight Line
- Derivation of Slope Intercept form
- Problem1-Derivation of Slope Intercept form
- Deriving Point-slope Form of Equation of Straight Line
- Problem1-Deriving Point-slope Form of Equation of Straight Line
- Symmetric Form of Equation of Straight Line
- Problem1-Symmetric Form of Equation of Straight Line
- Two Point form of Equation of Straight Line
- Problem1-Two Point form of Equation of Straight Line
- Intercept Form of Equation of Straight Line
- Problem1-Intercept Form of Equation of Straight Line
- Normal Form of Equation of Straight Line
- Problem1-Normal Form of Equation of Straight Line

- Distance of Point From Line
- Problem1-Distance of Point From Line
- Distance between Two Parallel Lines
- Problem1-Distance between Two Parallel Lines

- Angle Between Two Lines
- Problem1-Angle Between Two Lines
- Problem2-Angle Between Two Lines
- Equation of Lines Through Point of Intersecting 2 Lines
- Problem1-Equation of Lines Through Point of Intersecting 2 Lines

- Relationship between Two and Three Straight Lines
- The Point of Intersection of Straight Lines
- Problem1-The Point of Intersection of Straight Lines
- Condition of Concurrency of Three Straight Lines
- More on Condition of Concurrency of Three Straight Lines
- Problem1-Condition of Concurrency of Three Straight Lines

- Area of Triangular Region With Given Vertices
- More on Area of Triangular Region With Given Vertices
- Problem1-Area of Triangular Region With Given Vertices

- Homogeneous Equation of Second Degree in Two Variables
- More on Homogeneous Equation of 2nd Degree in 2 Variables
- Homogeneous Equation of Degree 'n'
- More on Homogeneous Equation of Degree 'n'
- Problem1-Homogeneous Equation of Degree 'n'
- Problem2-Homogeneous Equation of Degree 'n'
- Problem2-More on Homogeneous Equation of Degree 'n'
- Problem3-Homogeneous Equation of Degree 'n'
- Condition For the Lines to be Coincident
- More on Condition For the Lines to be Coincident