Hellow guys, Welcome to my website, and you are watching Class 9 Maths | Chapter 6 | Lines and Angles | Introduction | Types of angles | NCERT | CBSE | 2024. and this vIdeo is uploaded by Katar Singh Classes at 2023-09-30T20:20:39-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.