Author name: Bhagya

This GSEB Class 9 Maths Notes Chapter 8 Linear Equations in Two Variables covers all the important topics and concepts as mentioned in the chapter. Linear Equations in Two Variables Class 9 GSEB Notes Quadrilateral: If no three points out of four coplanar points are collinear, then a closed figure formed by joining these four points […]

This GSEB Class 9 Maths Notes Chapter 7 Heron’s Formula covers all the important topics and concepts as mentioned in the chapter. Heron’s Formula Class 9 GSEB Notes Triangle: A closed figure formed by three intersecting lines is called a triangle. A triangle has three sides, three angles and three vertices. Triangle ABC is denoted as

This GSEB Class 9 Maths Notes Chapter 6 Coordinate Geometry covers all the important topics and concepts as mentioned in the chapter. Coordinate Geometry Class 9 GSEB Notes Line segment: A part (or portion) of a line with two end points is called a line segment. Ray: A part of a line with one end point

This GSEB Class 9 Maths Notes Chapter 12 Surface Areas and Volumes covers all the important topics and concepts as mentioned in the chapter. Surface Areas and Volumes Class 9 GSEB Notes Area of a triangle: We are familiar with the following formula used to find the area of a triangle which is applicable to

This GSEB Class 9 Maths Notes Chapter 11 Circles covers all the important topics and concepts as mentioned in the chapter. Circles Class 9 GSEB Notes To draw precise figures, one must have a geometry box that contains the following: A graduated scale: On one side of the graduated scale centimetres and millimetres are marked

This GSEB Class 9 Maths Notes Chapter 10 Areas of Parallelograms and Triangles covers all the important topics and concepts as mentioned in the chapter. Areas of Parallelograms and Triangles Class 9 GSEB Notes Circle and its related terms: Circle: The collection of all the points in a plane, which are at a fixed distance

This GSEB Class 9 Maths Notes Chapter 9 Quadrilaterals covers all the important topics and concepts as mentioned in the chapter. Quadrilaterals Class 9 GSEB Notes Planar region: The part of the plane enclosed by a simple closed figure is called a planar region corresponding to that figure. Area of a closed figure: The magnitude

This GSEB Class 9 Maths Notes Chapter 5 Triangles covers all the important topics and concepts as mentioned in the chapter. Triangles Class 9 GSEB Notes Introduction to Geometry: The word ‘geometry’ comes from the combination of two Greek words ‘geo’ meaning ‘the earth’ and ‘metrein’ meaning ‘to measure’. This branch of Mathematics was studied in

This GSEB Class 9 Maths Notes Chapter 4 Lines and Angles covers all the important topics and concepts as mentioned in the chapter. Lines and Angles Class 9 GSEB Notes Linear equation in one variable: ax + b = 0, a, b being real numbers, a ≠ 0 is the standard form of linear equation in

This GSEB Class 9 Maths Notes Chapter 3 Introduction to Euclid’s Geometry covers all the important topics and concepts as mentioned in the chapter. Introduction to Euclid’s Geometry Class 9 GSEB Notes Number Line: Every real number is represented by a unique point on the number line and every point on the number line represents

This GSEB Class 9 Maths Notes Chapter 2 Polynomials covers all the important topics and concepts as mentioned in the chapter. Polynomials Class 9 GSEB Notes Variable: A symbol which takes different numerical values is called a variable and it is denoted by x, y, z, etc. Algebraic expression: Algebraic expression is a combination of

This GSEB Class 9 Maths Notes Chapter 1 Number Systems covers all the important topics and concepts as mentioned in the chapter. Number Systems Class 9 GSEB Notes Natural numbers: The numbers 1, 2, 3, 4, ……. are called natural numbers. The collection of all these numbers is the collection of natural numbers. It is