(CH 3 ) COORDINATE GEOMETRY. Class 9th MATHEMATICS (CH 3 ) COORDINATE GEOMETRY. Lesson Content 0% Complete 0/6 Steps 3.1 INTRODUCTION. 3.2 CARTESIAN SYSTEM. 3.3 PLOTTING A POINT IN THE PLANE. 3.4 MULTIPLE CHOICE QUESTIONS. 3.5 SUMMARY. 3.6 SELF TEST. Previous Lesson Back to Course Next Lesson admin2020-09-24T01:01:06+00:00