CLASS 9 :CHAPTER -1(
Class 9 Maths – Coordinate Geometry Notes π Mathematics Orienting Yourself: The Use of Coordinates Chapter 3 — Coordinate Geometry π Class 9 π― NCERT / CBSE ✍️ Topper Notes π EnglishWithMRK Style ① What is Coordinate Geometry? π Definition: Coordinate Geometry is the branch of mathematics that uses a number system (coordinates) to describe the exact position of a point in a plane (flat surface). Also called Cartesian Geometry — named after French mathematician RenΓ© Descartes . It connects Algebra and Geometry together. It helps us locate any point on a flat surface using just two numbers . π Real-Life: Finding a seat in a cinema (Row D, Seat 7), locating a city on a map using latitud...