Video Lectures of Mathematics: Geometry for Grade 9 Exam
Watch free video lectures for Mathematics: Geometry covering all chapters/topics as per the latest syllabus in 2026. These concept videos, recorded lectures, and audio notes are designed to help Grade 9 students understand every topic clearly — anytime, anywhere. Start learning on EduRev.
Tools of Geometry
| Coordinate Geometry 05:33 min |  |
| Tricks to learn Coordinate Geometry 13:11 min | |
| Tricks to Find Area of Triangle 08:15 min | |
Angles and Geometric Figures
| Congruence of Triangles 11:29 min | |
| Understanding: Congruence of Plane Figures, Line Segments and Angles 03:13 min | |
Logical Arguments and Line Relationships
| What are Intersecting Lines? 02:09 min | |
| Parallel and Intersecting Lines 03:38 min | |
| Examples: All Angles- 1 06:24 min | |
| Examples: All Angles- 2 07:59 min | |
| Examples: All Angles- 3 08:54 min | |
| Quick Revision: Lines and Angles 03:38 min | |
| What are Adjacent Angles? 01:45 min | |
Transformations and Symmetry
| Understanding Line Symmetry and Mirror Reflection 08:32 min | |
| Quick Revision: Symmetry 03:43 min | |
| What is Order of Rotational symmetry? 09:00 min | |
| Examples: Symmetry & Lines of Symmetry- 1 06:01 min | |
| Examples: Line and Rotational symmetry 06:20 min | |
| Examples: Symmetry & Lines of Symmetry- 2 07:49 min | |
Write and Solve Inequalities
| Quick Revision: Triangles 05:51 min | |
| Some Properties of a Triangle 06:52 min | |
| Congruency of Triangles - 1 05:13 min | |
| Congruency of Triangles - 2 03:10 min | |
| Congruent Triangles vs Similar Triangles 01:00 min | |
| Angle Sum Property of a Triangle 00:30 min | |
| Congruence of Triangles 11:29 min | |
| Similarity of Triangles Question 26:10 min | |
| Exterior Angle Property 00:49 min | |
Geometric Figures
| Theorem Diagonals of a Rhombus are Perpendicular to each other (Easy Explanation) 03:25 min | |
| Introduction to Practical Geometry 08:07 min | |
| Introduction (Mean, Median & Mode) 03:47 min | |
| Median of a Triangle 04:11 min | |
| Examples: Medians, Altitudes and Exterior angle sum property 05:33 min | |
Similarity
| Quick Revision: Triangles 05:51 min | |
| Some Properties of a Triangle 06:52 min | |
| Congruency of Triangles - 1 05:13 min | |
| Congruency of Triangles - 2 03:10 min | |
| Congruent Triangles vs Similar Triangles 01:00 min | |
| Angle Sum Property of a Triangle 00:30 min | |
| Congruence of Triangles 11:29 min | |
| Similarity of Triangles Question 26:10 min | |
| Exterior Angle Property 00:49 min | |
Right Triangles and Trigonometry
| Introduction to Trigonometry 09:03 min | |
| Tricks to Learn Trigonometric Formulas 12:45 min | |
| Tricks to remember Trigonometric Values 10:17 min | |
Circles
| Quick Revision: Circles 07:49 min | |
| Theorems Related to Chords of a Circle 10:42 min | |
| What is a Segment of the Circle? 02:16 min | |
| What is an Arc? Major and Minor 04:31 min | |
Measurement
| Surface Areas and Volumes 09:10 min | |
| Surface Area & Volume of a Cone 12:14 min | |
| What is a Right Circular Cone? 03:09 min | |
| What is Volume and Surface Area? 02:44 min | |
Probability
| Impossible & Sure Events 02:48 min | |
| Examples: Probability- 1 10:40 min | |
| Examples: Probability- 2 08:07 min | |
| Examples: Probability- 3 07:04 min | |
| Tricks to Learn Probability 05:59 min | |
