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# Chapter Wise NCERT Class 9 Maths Solutions

Course

## Mathematics Class 9

Author: NCERT
Publisher: NCERT

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

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

#### Chapter 1: Number Systems

Shaalaa has a total of 52 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: Polynomials

Shaalaa has a total of 103 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Polynomials are Algebraic Identities, Factorisation of Polynomials, Introduction of Polynomials, Polynomials in One Variable, Remainder Theorem, Zeroes of a Polynomial

#### Chapter 3: Coordinate Geometry

Shaalaa has a total of 8 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Coordinate Geometry are Cartesian System, Introduction of Coordinate Geometry, Plotting a Point in the Plane If Its Coordinates Are Given

#### Chapter 4: Linear Equations in two Variables

Shaalaa has a total of 34 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 5: Introduction to Euclid's Geometry

Shaalaa has a total of 13 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 6: Lines and Angles

Shaalaa has a total of 18 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 7: Triangles

Shaalaa has a total of 31 questions with solutions for this chapter in Class 9 Maths. Concepts covered in 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 19 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 9: Areas of Parallelograms and Triangles

Shaalaa has a total of 31 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 10: Circles

Shaalaa has a total of 45 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 11: Constructions

Shaalaa has a total of 14 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 12: Heron's Formula

Shaalaa has a total of 15 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 13: Surface Area and Volumes

Shaalaa has a total of 84 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Surface Area and Volumes 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 14: Statistics

Shaalaa has a total of 26 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Statistics are Collecting Data, Concepts of Statistics, Graphical Representation of Data, Measures of Central Tendency, Presentation of Data

#### Chapter 15: Probability

Shaalaa has a total of 11 questions with solutions for this chapter in Class 9 Maths. Concepts covered in Probability are Probability - an Experimental Approach

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Class 9 NCERT solutions answers all the questions given in the NCERT textbooks in a step-by-step process. Our Maths tutors have helped us put together this for our Class 9 Students. The solutions on Shaalaa will help you solve all the NCERT Class 9 Mathematics questions without any problems. Every chapter has been broken down systematically for the students, which gives fast learning and easy retention.

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Our NCERT solutions for Class 9 Mathematics Textbook cover everything from Number Systems, Polynomials, Coordinate Geometry, Linear Equations in two Variables, Introduction to Euclid's Geometry, Lines and Angles, Triangles, Quadrilaterals, Areas of Parallelograms and Triangles, Circles, Constructions, Heron's Formula, Surface Area and Volumes, Statistics, Probability and the other topics. Yes, these are the best NCERT 12 Maths solution options on the market. You get to fully prepare for the exam in a reliable and comprehensive manner. You just have to check it out for yourself and the experience can be really impressive.

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