This chapter contains the all solutions by Praadis subject experts in detailed and step by step concept. Praadis experts have prepared the solutions as per the Central Board of Secondary Education instructed in curriculum. “Coordinate Geometry” chapter explains the concepts of the cartesian plane, coordinates of a point in xy – plane, terms, notations associated with the coordinate plane, including the x-axis, y-axis, x-coordinate, y-coordinate, origin, quadrants etc. Students, in this chapter, will also be studying the concepts of Abscissa and ordinates of a point as well as plotting and naming a point in xy – plane. Exercises in this chapter that contain questions revolving around the topics mentioned in the chapter, helping the students get thorough with the concepts.