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Class Notes

Maths Class 9 Notes – Statistics

Maths Class 9 Notes for Statistics BASIC TERMS Primary data : Data which collected for the first time by the statistical investigator or with the help of his workers...
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Maths Class 9 Notes – Volume and Surface Area

Maths Class 9 Notes for Volume and Surface Area SOLIDS : The bodies occupying space (i.e. have 3-dimension) are called solids such as a cuboid, a...
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Maths Class 9 Notes – Probability

Maths Class 9 Notes for Probability MEANING OF PROBABILITY In everyday life, we come across statements such as : 1. It will probably rain today. 2. I doubt that...
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Maths Class 9 Notes – Constructions

Maths Class 9 Notes for Constructions INTRODUCTION Geometrical construction is the process of drawing a geometrical figure using only two instruments- an ungraduated ruler, also called a straight edge...
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Maths Class 9 Notes – Circles

Maths Class 9 Notes for Circles CIRCLES AND ITS RELATED TERMS The collection of all the points in a plane, which are at a fixed distance from...
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Maths Class 9 Notes – Areas of Parallelograms and Triangles

Maths Class 9 Notes for Areas of Parallelograms and Triangles INTRODUCTION You may recall that the part of the plane enclosed by a simple figure is called a...
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Maths Class 9 Notes – Quadrilaterals

Maths Class 9 Notes for Quadrilaterals A quadrilateral is a closed figure obtained by joining four point (with no three points collinear) in an order. Every quadrilateral...
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Maths Class 9 Notes – Linear Equations in Two Variables

Maths Class 9 Notes for Linear Equations in Two Variables LINEAR EQUATION IN TWO VARIABLES An equation of the form ax + by + c =...