NCERT Solutions for Class 9 Mathematics

Chapter 1: Number Systems

This chapter covers number systems, including real numbers and their properties.

This chapter introduces polynomials, their degrees, and operations on polynomials.

This chapter introduces the Cartesian coordinate system, plotting points, and the distance formula.

This chapter covers methods for solving linear equations in two variables using substitution, elimination, and graphical methods.

This chapter introduces the basic concepts and postulates of Euclidean geometry.

This chapter discusses the properties of lines and angles, including theorems related to parallel lines and angles.

This chapter covers various properties and theorems related to triangles, including congruence and similarity criteria.

This chapter discusses the properties and theorems related to various types of quadrilaterals.

This chapter covers the formulas and methods for calculating the areas of parallelograms and triangles.

This chapter discusses properties of circles, including theorems related to tangents and chords.

This chapter covers geometric constructions using compass and ruler.

This chapter covers Heron's formula for finding the area of a triangle given its three sides.

This chapter discusses surface areas and volumes of various solids like cubes, cylinders, and cones.

This chapter introduces statistical measures such as mean, median, and mode.

This chapter covers basic concepts of probability, including simple events and their likelihoods.