Скачать или смотреть Class 9 Ch 9 Circles Theorem 9.1 Equal chords of circle subtend equal angles at the Centre Lecture 1

📚 Class 9 Maths | Chapter 9 – Circles | Theorem 9.1
Topic: Equal chords of a circle subtend equal angles at the centre
👨‍🏫 In this lecture, we explain Theorem 9.1 from the NCERT Class 9 Maths syllabus with a clear and step-by-step proof, construction, and explanation.

🟢 What you’ll learn in this video:

Meaning of chords and central angles in a circle

Statement and proof of Theorem 9.1

Construction used in the proof

Application of SSS congruence rule

Importance of the theorem in solving circle problems

📘 Useful for:
CBSE | NCERT | Class 9 | Term 1 & Term 2 | Board Exams | School Exams

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✅ Watch next:

🔗 Theorem 9.2 – Angles subtended by equal chords are equal
🔗 Circle Basics & Definitions – Class 9 Chapter 9

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