1. Perimeter and Area of any triangle Formula.
2. Perimeter and Area of Equilateral Triangles Formula.
3. Perimeter and Area of Isosceles Triangles Formula.
4. Perimeter and Area of Rectangle Formula.
5. Area of four walls of a room Formula.
6. Perimeter and Area of Square Formula.
7. Area of Quadrilateral Formula.
8. Quadrilateral when diagonals intersect at right angles.
9. Area of Parallelogram Formula.
10. Area of Rhombus Formula.
11. Area of Trapezium Formula.
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