# RD Sharma Maths Class 9th Solutions ## Mathematics for Class 9

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

Shaalaa provides solutions for RD Sharma Class 9 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

### RD Sharma Class 9 Mathematics Chapter 1: Number Systems solutions

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

#### RD Sharma Class 9 Mathematics Chapter 1: Number Systems exercises

ExerciseNo. of questionsPages
Exercise 1.1105
Exercise 1.21013
Exercise 1.31322
Exercise 1.44531 to 32
Exercise 1.5936
Exercise 1.61140

### RD Sharma Class 9 Mathematics Chapter 2: Exponents of Real Numbers solutions

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

#### RD Sharma Class 9 Mathematics Chapter 2: Exponents of Real Numbers exercises

ExerciseNo. of questionsPages
Exercise 2.13212 to 13
Exercise 2.26624 to 27

### RD Sharma Class 9 Mathematics Chapter 3: Rationalisation solutions

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

#### RD Sharma Class 9 Mathematics Chapter 3: Rationalisation exercises

ExerciseNo. of questionsPages
Exercise 3.1132 to 3
Exercise 3.24514 to 15

### RD Sharma Class 9 Mathematics Chapter 4: Algebraic Identities solutions

Concepts covered in Algebraic Identities are Algebraic Identities

#### RD Sharma Class 9 Mathematics Chapter 4: Algebraic Identities exercises

ExerciseNo. of questionsPages
Exercise 4.1286 to 7
Exercise 4.22411 to 12
Exercise 4.33419 to 20
Exercise 4.42324 to 25
Exercise 4.51828 to 29

### RD Sharma Class 9 Mathematics Chapter 5: Factorisation of Algebraic Expressions solutions

Concepts covered in Factorisation of Algebraic Expressions are Algebraic Expressions

#### RD Sharma Class 9 Mathematics Chapter 5: Factorisation of Algebraic Expressions exercises

ExerciseNo. of questionsPages
Exercise 5.1359
Exercise 5.22614
Exercise 5.31117
Exercise 5.41923

### RD Sharma Class 9 Mathematics Chapter 6: Factorisation of Polynomials solutions

Concepts covered in Factorisation of Polynomials are Concept of Polynomials, Factorising the Quadratic Polynomial (Trinomial) of the type ax2 + bx + c, a ≠ 0., Polynomials in One Variable, Remainder Theorem, Zeroes of a Polynomial

#### RD Sharma Class 9 Mathematics Chapter 6: Factorisation of Polynomials exercises

ExerciseNo. of questionsPages
Exercise 6.1372 to 3
Exercise 6.2168
Exercise 6.31814 to 15
Exercise 6.42824 to 25
Exercise 6.52432 to 33

### RD Sharma Class 9 Mathematics Chapter 7: Linear Equations in Two Variables solutions

Concepts covered in Linear Equations in Two Variables are Equations of Lines Parallel to the X-axis and Y-axis, Graph of a Linear Equation in Two Variables, Linear Equation in One Variable, Linear Equations in Two Variables, Solution of a Linear Equation

### RD Sharma Class 9 Mathematics Chapter 8: Co-ordinate Geometry solutions

Concepts covered in Co-ordinate Geometry are Cartesian System, Coordinate Geometry, Plotting a Point in the Plane If Its Coordinates Are Given.

#### RD Sharma Class 9 Mathematics Chapter 8: Co-ordinate Geometry exercises

ExerciseNo. of questionsPages
Exercise 8.1116

### RD Sharma Class 9 Mathematics Chapter 9: Introduction to Euclid’s Geometry solutions

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

#### RD Sharma Class 9 Mathematics Chapter 9: Introduction to Euclid’s Geometry exercises

ExerciseNo. of questionsPages
Exercise 9.1268

### RD Sharma Class 9 Mathematics Chapter 10: Lines and Angles solutions

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

#### RD Sharma Class 9 Mathematics Chapter 10: Lines and Angles exercises

ExerciseNo. of questionsPages
Exercise 10.1207
Exercise 10.22014 to 17
Exercise 10.31922 to 23
Exercise 10.43646 to 49

### RD Sharma Class 9 Mathematics Chapter 11: Triangle and its Angles solutions

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

#### RD Sharma Class 9 Mathematics Chapter 11: Triangle and its Angles exercises

ExerciseNo. of questionsPages
Exercise 11.11710
Exercise 11.23119 to 22

### RD Sharma Class 9 Mathematics Chapter 12: Congruent Triangles solutions

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

#### RD Sharma Class 9 Mathematics Chapter 12: Congruent Triangles exercises

ExerciseNo. of questionsPages
Exercise 12.11415 to 25
Exercise 12.2225
Exercise 12.31047
Exercise 12.4157
Exercise 12.52161 to 62
Exercise 12.62281 to 82

### RD Sharma Class 9 Mathematics Chapter 13: Quadrilaterals solutions

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

#### RD Sharma Class 9 Mathematics Chapter 13: Quadrilaterals exercises

ExerciseNo. of questionsPages
Exercise 13.144
Exercise 13.21719 to 20
Exercise 13.3942 to 43
Exercise 13.42262 to 65

### RD Sharma Class 9 Mathematics Chapter 14: Areas of Parallelograms and Triangles solutions

Concepts covered in Areas of Parallelograms and Triangles are Concept of Area, Corollary: A rectangle and a parallelogram on the same base and between the same parallels are equal in area., Corollary: Triangles on the same base and between the same parallels are equal in area., Theorem: Parallelograms on the Same Base and Between the Same Parallels.

#### RD Sharma Class 9 Mathematics Chapter 14: Areas of Parallelograms and Triangles exercises

ExerciseNo. of questionsPages
Exercise 14.113
Exercise 14.2415
Exercise 14.33044 to 48

### RD Sharma Class 9 Mathematics Chapter 15: Circles solutions

Concepts covered in Circles are Angle Subtended by a Chord at a Point, Angle Subtended by an Arc of a Circle, Circles Passing Through One, Two, Three Points, Concept of Circle - Centre, Radius, Diameter, Arc, Sector, Chord, Segment, Semicircle, Circumference, Interior and Exterior, Concentric Circles, Cyclic Quadrilateral, Equal Chords and Their Distances from the Centre, Perpendicular from the Centre to a Chord

#### RD Sharma Class 9 Mathematics Chapter 15: Circles exercises

ExerciseNo. of questionsPages
Exercise 15.1165 to 6
Exercise 15.21428 to 29
Exercise 15.3247
Exercise 15.42272 to 74
Exercise 15.532100 to 104

### RD Sharma Class 9 Mathematics Chapter 16: Constructions solutions

Concepts covered in Constructions are Basic Constructions, Introduction of Constructions, Some Constructions of Triangles

#### RD Sharma Class 9 Mathematics Chapter 16: Constructions exercises

ExerciseNo. of questionsPages
Exercise 16.173 to 4
Exercise 16.2179
Exercise 16.31018

### RD Sharma Class 9 Mathematics Chapter 17: Heron’s Formula solutions

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

#### RD Sharma Class 9 Mathematics Chapter 17: Heron’s Formula exercises

ExerciseNo. of questionsPages
Exercise 17.1118
Exercise 17.21319 to 20
Exercise 19.2119

### RD Sharma Class 9 Mathematics Chapter 18: Surface Areas and Volume of a Cuboid and Cube solutions

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 Sphere, Surface Area of Cylinder, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### RD Sharma Class 9 Mathematics Chapter 18: Surface Areas and Volume of a Cuboid and Cube exercises

ExerciseNo. of questionsPages
Exercise 18.11914 to 15
Exercise 18.22829 to 31

### RD Sharma Class 9 Mathematics Chapter 19: Surface Areas and Volume of a Circular Cylinder solutions

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 Sphere, Surface Area of Cylinder, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### RD Sharma Class 9 Mathematics Chapter 19: Surface Areas and Volume of a Circular Cylinder exercises

ExerciseNo. of questionsPages
Exercise 19.1148 to 9
Exercise 19.23220 to 22

### RD Sharma Class 9 Mathematics Chapter 20: Surface Areas and Volume of A Right Circular Cone solutions

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 Sphere, Surface Area of Cylinder, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### RD Sharma Class 9 Mathematics Chapter 20: Surface Areas and Volume of A Right Circular Cone exercises

ExerciseNo. of questionsPages
Exercise 20.1237 to 8
Exercise 20.21820 to 21

### RD Sharma Class 9 Mathematics Chapter 21: Surface Areas and Volume of a Sphere solutions

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 Sphere, Surface Area of Cylinder, Volume of a Cuboid, Volume of a Cylinder, Volume of a Right Circular Cone, Volume of a Sphere

#### RD Sharma Class 9 Mathematics Chapter 21: Surface Areas and Volume of a Sphere exercises

ExerciseNo. of questionsPages
Exercise 21.1178 to 9
Exercise 21.23620 to 22

### RD Sharma Class 9 Mathematics Chapter 22: Tabular Representation of Statistical Data solutions

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

#### RD Sharma Class 9 Mathematics Chapter 22: Tabular Representation of Statistical Data exercises

ExerciseNo. of questionsPages
Exercise 22.13115 to 18
Exercise 22.2924 to 25

### RD Sharma Class 9 Mathematics Chapter 23: Graphical Representation of Statistical Data solutions

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

#### RD Sharma Class 9 Mathematics Chapter 23: Graphical Representation of Statistical Data exercises

ExerciseNo. of questionsPages
Exercise 23.1187 to 17
Exercise 23.21823 to 28

### RD Sharma Class 9 Mathematics Chapter 24: Measures of Central Tendency solutions

Concepts covered in Measures of Central Tendency are Collecting Data, Concepts of Statistics, Graphical Representation of Data, Measures of Central Tendency, Presentation of Data

#### RD Sharma Class 9 Mathematics Chapter 24: Measures of Central Tendency exercises

ExerciseNo. of questionsPages
Exercise 24.1249 to 10
Exercise 24.21214 to 16
Exercise 24.31318
Exercise 24.4620

### RD Sharma Class 9 Mathematics Chapter 25: Probability solutions

Concepts covered in Probability are Probability - an Experimental Approach

#### RD Sharma Class 9 Mathematics Chapter 25: Probability exercises

ExerciseNo. of questionsPages
Exercise 25.11413 to 15

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