# RD Sharma Maths Class 9th Solutions

## Mathematics for Class 9

Author: R.D. Sharma
Publisher: Dhanpat Rai Publications

Shaalaa provides solutions for RD Sharma Solutions for Class 9 Maths and has all the answers for the questions given in Mathematics for Class 9. Shaalaa is surely a site that most of your classmates are using to perform well in exams.

You can solve Mathematics for Class 9 textbook questions and use Shaalaa RD Sharma Solutions for Class 9 Maths to verify your answers. ## Chapters covered in RD Sharma Solutions for Mathematics for Class 9

#### Chapter 1: Number Systems

Shaalaa has a total of 111 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Number Systems are Concept of Irrational Numbers, Introduction of Real Number, Laws of Exponents for Real Numbers, Operations on Real Numbers, Real Numbers and Their Decimal Expansions, Representing Real Numbers on the Number Line

#### Chapter 2: Exponents of Real Numbers

Shaalaa has a total of 152 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Exponents of Real Numbers are Concept of Irrational Numbers, Introduction of Real Number, Laws of Exponents for Real Numbers, Operations on Real Numbers, Real Numbers and Their Decimal Expansions, Representing Real Numbers on the Number Line

#### Chapter 3: Rationalisation

Shaalaa has a total of 94 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Rationalisation are Concept of Irrational Numbers, Introduction of Real Number, Laws of Exponents for Real Numbers, Operations on Real Numbers, Real Numbers and Their Decimal Expansions, Representing Real Numbers on the Number Line

#### Chapter 4: Algebraic Identities

Shaalaa has a total of 154 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Algebraic Identities are Algebraic Identities

#### Chapter 5: Factorisation of Algebraic Expressions

Shaalaa has a total of 116 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Factorisation of Algebraic Expressions are Concept of Algebraic Expressions

#### Chapter 6: Factorisation of Polynomials

Shaalaa has a total of 144 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Factorisation of Polynomials are Factorisation of Polynomials, Introduction of Polynomials, Polynomials in One Variable, Remainder Theorem, Zeroes of a Polynomial

#### Chapter 7: Linear Equations in Two Variables

Shaalaa has a total of 73 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Linear Equations in Two Variables are Concept of Linear Equations in Two Variables, Equations of Lines Parallel to the X-axis and Y-axis, Graph of a Linear Equation in Two Variables, Introduction of Linear Equations, Solution of a Linear Equation

#### Chapter 8: Co-ordinate Geometry

Shaalaa has a total of 26 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Co-ordinate Geometry are Cartesian System, Introduction of Coordinate Geometry, Plotting a Point in the Plane If Its Coordinates Are Given

#### Chapter 9: Introduction to Euclid’s Geometry

Shaalaa has a total of 38 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Introduction to Euclid’s Geometry are Concept for Euclid’S Geometry, Equivalent Versions of Euclid’S Fifth Postulate, Euclid’S Definitions, Axioms and Postulates

#### Chapter 10: Lines and Angles

Shaalaa has a total of 137 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Lines and Angles are Angle Sum Property of a Triangle, Basic Terms and Definitions, Concept of Parallel Lines, Introduction to Lines and Angles, Lines Parallel to the Same Line, Pairs of Angles, Parallel Lines and a Transversal

#### Chapter 11: Triangle and its Angles

Shaalaa has a total of 91 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Triangle and its Angles are Concept of Triangles - Sides, Angles, Vertices, Interior and Exterior of Triangle, Congruence of Triangles, Criteria for Congruence of Triangles, Inequalities in a Triangle, Properties of a Triangle, Some More Criteria for Congruence of Triangles

#### Chapter 12: Congruent Triangles

Shaalaa has a total of 100 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Congruent Triangles are Concept of Triangles - Sides, Angles, Vertices, Interior and Exterior of Triangle, Congruence of Triangles, Criteria for Congruence of Triangles, Inequalities in a Triangle, Properties of a Triangle, Some More Criteria for Congruence of Triangles

Shaalaa has a total of 114 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Quadrilaterals are Angle Sum Property of a Quadrilateral, Another Condition for a Quadrilateral to Be a Parallelogram, Concept of Quadrilaterals - Sides, Adjacent Sides, Opposite Sides, Angle, Adjacent Angles and Opposite Angles, Property: The diagonals of a parallelogram bisect each other. (at the point of their intersection), Property: The Opposite Angles of a Parallelogram Are of Equal Measure., Property: The Opposite Sides of a Parallelogram Are of Equal Length., The Mid-point Theorem, Theorem : a Diagonal of a Parallelogram Divides It into Two Congruent Triangles, Theorem : If Each Pair of Opposite Sides of a Quadrilateral is Equal, Then It is a Parallelogram., Theorem: If in a Quadrilateral, Each Pair of Opposite Angles is Equal, Then It is a Parallelogram., Theorem : If the Diagonals of a Quadrilateral Bisect Each Other, Then It is a Parallelogram, Types of Quadrilaterals

#### Chapter 14: Areas of Parallelograms and Triangles

Shaalaa has a total of 65 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Areas of Parallelograms and Triangles are Figures on the Same Base and Between the Same Parallels, Introduction to Areas of Parallelograms and Triangles, Parallelograms on the Same Base and Between the Same Parallels, Triangles on the Same Base and Between the Same Parallels

#### Chapter 15: Circles

Shaalaa has a total of 128 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Circles are Angle Subtended by a Chord at a Point, Angle Subtended by an Arc of a Circle, Circle Through Three Points, Concept of Circle - Centre, Radius, Diameter, Arc, Sector, Chord, Segment, Semicircle, Circumference, Interior and Exterior., Cyclic Quadrilaterals, Equal Chords and Their Distances from the Centre, Perpendicular from the Centre to a Chord

#### Chapter 16: Constructions

Shaalaa has a total of 34 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Constructions are Basic Constructions, Introduction of Constructions, Some Constructions of Triangles

#### Chapter 17: Heron’s Formula

Shaalaa has a total of 50 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Heron’s Formula are Application of Heron’S Formula in Finding Areas of Quadrilaterals, Area of a Triangle, Area of a Triangle by Heron’S Formula

#### Chapter 18: Surface Areas and Volume of a Cuboid and Cube

Shaalaa has a total of 76 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Surface Areas and Volume of a Cuboid and Cube are Surface Area of a Cuboid, Surface Area of a Right Circular Cone, Surface Area of a Right Circular Cylinder, Surface Area of a Sphere, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### Chapter 19: Surface Areas and Volume of a Circular Cylinder

Shaalaa has a total of 70 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Surface Areas and Volume of a Circular Cylinder are Surface Area of a Cuboid, Surface Area of a Right Circular Cone, Surface Area of a Right Circular Cylinder, Surface Area of a Sphere, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### Chapter 20: Surface Areas and Volume of A Right Circular Cone

Shaalaa has a total of 69 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Surface Areas and Volume of A Right Circular Cone are Surface Area of a Cuboid, Surface Area of a Right Circular Cone, Surface Area of a Right Circular Cylinder, Surface Area of a Sphere, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### Chapter 21: Surface Areas and Volume of a Sphere

Shaalaa has a total of 78 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Surface Areas and Volume of a Sphere are Surface Area of a Cuboid, Surface Area of a Right Circular Cone, Surface Area of a Right Circular Cylinder, Surface Area of a Sphere, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### Chapter 22: Tabular Representation of Statistical Data

Shaalaa has a total of 51 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Tabular Representation of Statistical Data are Collecting Data, Concepts of Statistics, Graphical Representation of Data, Measures of Central Tendency, Presentation of Data

#### Chapter 23: Graphical Representation of Statistical Data

Shaalaa has a total of 52 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Graphical Representation of Statistical Data are Collecting Data, Concepts of Statistics, Graphical Representation of Data, Measures of Central Tendency, Presentation of Data

#### Chapter 24: Measures of Central Tendency

Shaalaa has a total of 80 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Measures of Central Tendency are Collecting Data, Concepts of Statistics, Graphical Representation of Data, Measures of Central Tendency, Presentation of Data

#### Chapter 25: Probability

Shaalaa has a total of 32 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Probability are Probability - an Experimental Approach

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