Class 9 Math - Mathematics | Read in PDF format Get link Facebook X Pinterest Email Other Apps PrelimsNumber SystemsPolynomialsCoordinate GeometryLinear Equations in Two VariablesIntroduction To Euclid’s GeometryLines And AnglesTrianglesQuadrilateralsCirclesHeron’s FormulaSurface Areas And VolumesStatisticsAppendix – 1 Proofs in MathematicsAppendix – 2 Introduction to Mathematical ModellingAnswers/Hints