## TS State Board : Class IX - Maths

 Real Numbers IntroductionIrrational NumbersMagnificationHCF and LCM Elements of geometry Introduction Euclid's Definitions, Axioms and Postulates Equivalent Versions of Euclids Fifth Postulate Euclid's five postulates Examples Lines and Angles Introduction Angle Types of Angles Comparision of Angles Interior and Exterior of an Angle Lines of Symmetry
 Polynomials and Factorisation Polynomial in one VariableDegree of PolynomialsDividing polynomialFactorising a PolynomialAlgebraic identities Co-Ordinate Geometry Cartesian systemAngles of a parallelogramTypes of quadrilateralsPlotting a point Linear Equations in Two Variables IntroductionLinear EquationsSimple equationsReducing EquationsSolving equationX axis and Y axis
 Triangles Classification of trianglesSides of a triangleProperties of a triangleCongruence of a triangleInequalities in a triangle Quadrilaterals QuadrilateralProperties of a quadrilateralMid point of theoremAngles of a parallelogramTypes of quadrilaterals Statistics Collection of dataPresentation of DataDeviation in ValuesStatisticsFrequency DistributionTally marks
 Surface Areas and Volumes Surface Areas of CuboidCircular CylinderSphereCircular coneVolume of Sphere Areas Area of planar regionsArea of RectangleArea of parallelsArea of a figure Circles IntroductionSegment linesPoint on the circleCenter to a chordArc of a circle
 Geometrical Constructions Basic constructionsBisector of a given angleAngle of 60Construct a triangleCircle segment Probability IntroductionProbabilityUses of ProbabilityTrails and events
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