Proof of theorem 8.1 of class 9 curriculum, NCERT textbook of mathematics. In this video, you will learn to prove the theorem which states that a diagonal of a parallelogram divides it into two congruent triangles. The tutorial is in Hindi (Hinglish). #DiagonalOfParallelogram #proof #theorem #angles #AlternateInteriorAngles #Transversal #Parallel #ParallelLines #Geometry #math #mathematics #Mathemafia #CongruentTriangles #maths #anglesProperty #PropertiesOfParallelogram ******************** ******************** ******************** ----------------------------------- Class 9 Playlists ----------------------------- ******************** ******************** ******************** -------------------------------------- Geometry ------------------------------------ Chapter 6 ♦ Complete chapter - • Class 9 | Chapter 6 | Topic 6.2 Basic Term... ♦ All theorems - • Theorem 6.1 Chapter 6 Class 9 Maths - If t... ♦ Exercise 6.1 - • Class 9 | Chapter 6 | Exercise 6.1, Questi... ♦ Exercise 6.2 - • Class 9 | Chapter 6 | Exercise 6.2, Questi... ♦ Exercise 6.3 - • Class 9 | Chapter 6 | Exercise 6.3, Questi... ------------------------------------------------ Chapter 7: ♦ Complete chapter - • Congruence v/s Similarity - Explanation of... ♦ All theorems - • Class 9 | Chapter 7 | Theorem 7.1 Proof of... ♦ Exercise 7.1 - • Class 9 | Chapter 7 | Exercise 7.1, Questi... ♦ Exercise 7.2 - • Class 9 | Chapter 7 | Exercise 7.2, Questi... ♦ Exercise 7.3 - • Class 9 | Chapter 7 | Exercise 7.3, Questi... ♦ Exercise 7.4 - • Class 9 | Chapter 7 | Exercise 7.4, Questi... ------------------------------------------------ Chapter 8: ♦ Complete chapter - • Section 8.2, Class 9 - Angle sum property ... ♦ All theorems - • Theorem 8.1, chapter 8 Class 9, Diagonal o... ♦ Exercise 8.1 - • Question 1, Exercise 8.1, Class 9 | Find t... ♦ Exercise 8.2 - • Question 1 Exercise 8.2 Chapter 8 Class 9 ... ------------------------------------------------ Let me know in case you have any doubts. I will be happy to assist. Hope you would learn well from this video tutorial. Any feedback, suggestions will be really appreciated. Subscribe: / @syalmathematics Facebook: https://www.facebook.com/Mathemafia-1... Short Guitar Clip by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Artist: http://audionautix.com/