Circles Ex 9.1 | Class 9 | NCERT Solutions | Q1 & Q2 Solution

Описание: Circles Class 9 Ex 9.1 | Question 1, Question 2. NCERT Solutions

Welcome to Morning Star Academy. In this session, we solve the first two questions of Exercise 9.1 (Chapter 9 - Circles) for Class 9 Maths.

Using our previous understanding of Theorems 9.1 and 9.2, we show you exactly how to write these proofs on paper to ensure you score full marks in your exams. Whether you are from CBSE or Maharashtra State Board, this simple Hinglish explanation will help you master the concept of congruent circles and equal chords.

Topics Covered in this Video:
Circles Class 9 Ex 9.1
Question 1. Recall that two circles are congruent if they have same radii. Prove that equal chords of congruent circles subtend equal angles at their centres.
Question 2. Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.
Step-by-step logic for congruent circles.
How to prove that equal chords of congruent circles subtend equal angles at their centers.
Practical tips for writing geometry proofs in exams.

🔗 Watch our Theorem Series:
Theorem 9.1:    • Circles Theorem 9.1 | Class 9 | Proof and ...  
Theorem 9.2:    • Circles Theorem 9.2 | Class 9 | Proof and ...  

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Link to the NCERT Textbook: https://amzn.to/3OtPLGj
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Timestamps:
0:00 Introduction
0:37 Question 1 Explanation - Prove that equal chords of congruent circles subtend equal angles at their centres.
07:05 Proof for Q1
09:38 Revise Q1
11:51 Question 2 Explanation - Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.
14:50 Proof Q2
17:31 Revise Q2

Class 9 Circles,
Circles Class 9 Ex 9.1 Q1,
Circles Class 9 Ex 9.1 Q2,
Easy Explanation,
Class 9 Circles

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