- Pythagoras Theorem-1
- Problem 1: Pythagoras Theorem-1
- Problem 2: Pythagoras Theorem-1
- Converse of Pythagoras Theorem-2
- Problem 1: Converse of Pythagoras Theorem-2

- Area of a Triangle
- Word Problem of Area of a Triangle
- Formula for Area of a Square & Rectangle
- Concept of Altitude of a Geometrical Figures
- Border Area of a Rectangle or Square
- Word Problem of Border Area of a Rectangle
- Area of a Parallelogram
- Word Problem of Area of a Parallelogram
- Area of a Trapezium
- Word Problem of Area of a Trapezium
- ? as the Ratio Between Circumference-Circle & Diameter
- Finding the Circumference of a Circle Using Formula
- Area of a Circular Region
- Measurement of the Circumference of a Circle
- Surface Area of Cubes
- Surface Area of Cuboids