# Ch12. Introduction to three dimensional geometry

In this self study course, you will learn coordinate axes and coordinate planes in three dimensions. Coordinates of a point. Distance between two points and section formula. For further understanding of concepts and for examination preparation, this course has explanation of all NCERT Exercise questions and important NCERT example. This course also has self practice assignments for students to practice that have questions from Boardâ€™s Question Bank, RD Sharma, NCERT Exemplar etc. instead of only one book. The PDF of assignments can be downloaded within the course.