Class 9 Maths Class 9 Maths Chapter 1 – Number SystemsChapter 2 – PolynomialsChapter 3 – Coordinate GeometryChapter 4 – Linear Equations in Two VariablesChapter 5 – Introduction to Euclids GeometryChapter 6 – Lines and AnglesChapter 7 – TrianglesChapter 8 – QuadrilateralsChapter 9 – Areas of Parallelograms and TrianglesChapter 10 – CirclesChapter 11 – ConstructionsChapter 12 – Heron’s FormulaChapter 13 – Surface Areas and VolumesChapter 14 – Statistics