Ch12. Introduction to three dimensional geometry – 1Y

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 Board’s Question Bank, RD Sharma, NCERT Exemplar etc. instead of only one book. The PDF of assignments can be downloaded within the course.

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Course Content

Concept

Meaning and working with dimensions

Basics of 3D Geometry – Part 1

NCERT Exercise 12.1

Question – 2

Question – 4

Concept

Basics of 3D Geometry – Part 2

NCERT Exercise 12.1

Question – 1

Concepts

Octants of 3D Geometry

NCERT Exercise 12.1

Question – 3

Concept

Distance Formula

NCERT Exercise 12.2

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

Concept

Section Formula

NCERT Exercise 12.3

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

NCERT Miscellaneous Exercise

Question – 1

Question – 2

Centroid of Triangle

NCERT Example – 9

NCERT Miscellaneous Exercise

Question – 3

Question – 4

Question – 5

Question – 6

PDF Files

Ch12. Introduction to three dimensional geometry – 1Y

Course Content

Meaning and working with dimensions

Basics of 3D Geometry – Part 1

Question – 2

Question – 4

Basics of 3D Geometry – Part 2

Question – 1

Octants of 3D Geometry

Question – 3

Distance Formula

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

Section Formula

Question – 1

Question – 2

Question – 3

Question – 4

Question – 5

Question – 1

Question – 2

NCERT Example – 9

Question – 3

Question – 4

Question – 5

Question – 6

PDF of Notes and Assignments