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CLASS 9 – MATHEMATICS with following units explained in details : Unit 1 . Number Systems Unit 2 . Algebra – Polynomials Unit 3 . Algebra – Linear Equation in One Variables Unit 4 . Geometry Unit 5. Geometry – Quadrilaterals Unit 6. Geometry – Circle Unit 7 . Geometry – Constructions Unit 8 . Coordinate Geometry Unit 9. Mensuration Unit 10. Statistics and Probability
CLASS 9 – MATHEMATICS
Unit 1 . Number Systems
Rational Numbers, Irrational Number
Unit 2. Algebra – Polynomials
Factorisation of Polynomial, Remainder and Factor Theorem
Unit 3 . Algebra – Linear Equation in One Variables
Solution of a Linear Equation in One Variable, Graphical Method of Solving Simultaneous Linear Equations, Algebraic Method of Solving Simultaneous Linear Equations
Unit 4 . Geometry
Point and Lines – Concepts and Construct, Intersecting Lines, Properties of Angles Made by a Transversal, Sum of Angles of a Triangle, Congruency of Two Triangles, Properties of Isosceles Triangle, Properties of Isosceles Triangle, Greater Side has Greater Angle Opposite to It, Sum of Two Sides of a Triangle is Greater than the Third Side
Unit 5 . Geometry– Quadrilaterals
Properties of a Parallelogram – I, Properties of a Parallelogram – II, Special Types of Parallelogram, Area of Parallelogram, Concurrency of Angle Bisectors and Concurrency of Perpendicular Bisectors, Concurrency of Medians and Altitudes
Unit 6 . Geometry – Circle
Chord Properties of a Circle, Arc and Angle Properties of a Circle
Unit 7 . Geometry – Constructions
Construction of Lines and Angles, Construction of triangle, Construction of Parallelograms, Construction of circles, Construction of Inscribed and Circumscribed Regular Polygons, Circumcircle, Incircle, Escribed Circle and Tangents to a Circle
Unit 8 . Coordinate Geometry
Coordinate Geometry
Unit 9 . Mensuration
Area of Triangle and Related PlaneFigures, Area of Circle, Sector and Segment of a Circle, Surface Area and Volume of a Cuboid, Volume and Surface Area of Cylinder, Volume And Surface Area of Right Circular Cone, Volume and Surface Area of Sphere
Unit 10 . Statistics and Probability
Tabular Representation of Statistical Data, Graphical Representation of Statistical Data, Measures of Central Tendency, Probability
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