- Introduction to Cartesian Plane
- Problem-Introduction to Cartesian Plane
- Derivation of Distance formula
- Problem 1: Derivation of Distance formula
- Use of Distance formula
- Problem 1: Use of Distance formula

- Showing Collinearity of Points-Distance Formula
- Problem 1: Showing Collinearity of Points-Distance Formula
- Showing Triangle is Equilateral-Distance Formula
- Showing Triangle is Isosceles-Distance Formula
- Problem 1: Showing Triangle is Equilateral-Distance Formula
- Showing Triangle is Right Angle-Distance Formula
- Showing Triangle is Scalene-Distance Formula
- Problem 1: Showing Triangle is Isosceles-Distance Formula
- Problem 1: Showing Triangle is Right Angle-Distance Formula
- Problem 1: Showing Triangle is Scalene-Distance Formula