# Free PDF of NCERT Solutions for Class 9 Maths Chapter 3

Coordinate Geometry includes all the questions provided in NCERT Books prepared by Mathematics expert teachers as per CBSE NCERT guidelines from wallindia. To download our free pdf of Chapter 3 Coordinate Geometry Maths NCERT Solutions for Class 9 to help you to score more marks in your board exams

Wallindia provides NCERT class 9 maths solution at free of cost online and it’s easily accessible in the form of PDF. Each PDF constitutes of the chapter in which exercise-wise solutions are given. It is very easy for the students to locate any answer from the exercise. All the solutions are made with the help of the best teachers and academicians. The solutions are plain easy and can be understood by anyone. The approaches and the methods used to solve the questions are also given in step by step method so that students score well in the paper. For additional conceptual clarity, diagrams and formulas are also used.

Wallindia has provided the best solutions for class 9 maths Ncert textbooks. Students can refer to these solutions which will help them in solving the previous year question papers. These NCERT maths class 9solution will help the students to study more effectively and also present the answers in the most effective way to get the highest scores.

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The back-end exercise questions given in NCERT books are very important for the class 9 finals. These exercises often test the conceptual clarity and the subject knowledge of the student. NCERT Solutions will help you to understand these concepts better. On the other hand, the students who have a problem in solving maths and require assistance and guidance can also refer to class 9 Ncert Maths Solutions to clarify the concepts of the complex question. Maths is all about practice. The more you practice, the better you will be. Ncert maths class 9 pdf download can help students to solve all their problems and also save their time as everything is in one place, one click away.

### Coordinate Geometry

Every place on this planet has coordinates that help us to locate it easily on the world map. The coordinate system of our earth is made up of imaginary lines called latitudes and longitudes. The zero degrees 'Greenwich Longitude' and the zero degrees 'Equator Latitude' are the starting lines of this coordinate system. Similarly locating the point in a plane or a piece of paper, we have the coordinate axes with the horizontal x-axis and the vertical y-axis.

Coordinate geometry is the study of geometric figures by plotting them in the coordinate axes. Figures such as straight lines, curves, circles, ellipse, hyperbola, polygons, can be easily drawn and presented to scale in the coordinate axes. Further coordinate geometry helps to work algebraically and study the properties of geometric figures with the help of the coordinate system.

### What Is Coordinate Geometry?

Coordinate geometry is an important branch of math, which helps in presenting the geometric figures in a two-dimensional plane and to learn the properties of these figures. Here we shall try to know about the coordinate plane and the coordinates of a point, to gain an initial understanding of Coordinate geometry.

### Topics Covered in Coordinate Geometry

- The topics covered in coordinate geometry helps in the initial understanding of the concepts and formulas required for coordinate geometry. The topics covered in coordinate geometry are as follows.

- About the Coordinate plane and the terms related to the coordinate plane.

- Know about the coordinates of a point and how the point is written in different quadrants.

- Formula to find the distance between two points in the coordinate plane

- The formula to find the slope of a line joining two points.

- Mid-point Formula to find the midpoint of the line joining two points.

- Section Formula to find the points dividing the join of two points in a ratio

- The centroid of a triangle with the given three points in the coordinate plane.

- Area of a triangle having three vertices in the coordinate geometry

- Equation of a line and the different forms of equations of a line

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