# CLASS IX

From WikiEducator

## Contents

- 1 CLASS IX
- 1.1 Number Systems
- 1.2 Polynomial
- 1.3 Coordinate Geometry
- 1.4 Linear Equations in Two Variables
- 1.5 Introduction to Euclid's Geometry
- 1.6 Lines and Angles
- 1.7 Triangles
- 1.8 Quadrilaterals
- 1.9 Areas of Parallelograms and Triangles
- 1.10 Circles
- 1.11 Constructions
- 1.12 Heron's Formula
- 1.13 Surface Areas and Volumes
- 1.14 Statistics
- 1.15 Probability

# CLASS IX

## Number Systems

#### quiz

#### quiz

## Polynomial

## 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 Areas and Volumes

### Surface Area of Cube and Cuboid

#### quiz

### Surface Area of Right Circular cylinder

#### quiz