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SKU: ZDIVCDR035600.

Category: Senior School.

**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

**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 – ****Construction****s**** **

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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