Circles - Full Chapter Explanation, NCERT Solutions and MCQs | Class 9 Maths Chapter 10
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✅ In this video,
✔️ Class: 9th
✔️ Subject: Maths
✔️ Chapter: Circles (Chapter 10)
✔️ Topic Name: Circles - Full Chapter Explanation and NCERT Solutions | Class 9 Maths Chapter 10
✔️ Topics Covered In This Video (By Gaurav Sir): Full Chapter Explanation & NCERT Solutions of Circles Class 9 Maths Chapter 10 have been discussed.
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00:00 Introduction: Circles - Full Chapter Explanation
02:14 Definition of Circles
06:00 Radius
06:16 Regions of Circles
09:24 Chord
10:51 Diameter
12:54 Arc
15:29 Semicircle
17:15 Sector
19:19 Segment
21:02 Question 1: Fill in the blanks: Exercise 10.1: Circles: Chapter 10
i. The center of a circle lies in __ of the circle.(exterior/interior)
28:55 Question 2: Write True or False: Give reasons for your answers: Exercise 10.1: Circles: Chapter 10
i. Line segment joining the center to any point on the circle is a radius of the circle.
35:04 Angle Substended by a Chord at Point: Theorem 10.1:
49:05 Angle Substended by a Chord at Point: Theorem 10.2:
57:28 Question 1 & 2: Exercise 10.2: Circles: Chapter 10
01:15:03 Perpendicular From Centre to a Chord: Theorem 10.3
01:28:43 Perpendicular From Centre to a Chord: Theorem 10.4
01:42:33 Question 1 & 2: Exercise 10.3: Circles: Chapter 10
02:24:19 Some Special Theorems: Theorem
02:40:23 Equal Chords & Their Distance From the Centre: Theorem 10.6
03:02:12 Equal Chords & Their Distance From the Centre: Theorem 10.7
03:14:02 Question 1 to 7: Questions on Equal Chords:
Question 1 The radius of a circle is 13 cm and the length of one of its chords is 10 cm. Find the distance of the chord from the center.
05:02:24 Question 1 to 6: Exercise 10.4: Circles: Chapter 10
06:47:16 Angle Substended by an Arc of a Circle: Theorem 10.8
07:19:10 Angle Substended by an Arc of a Circle: Theorem 10.9
07:33:15 Angle Substended by an Arc of a Circle: Theorem 10.10
07:49:45 Questions. 1 to 5: Questions on Angles Substended by Arc:
Questions. 1 If O is the centre of a circle, find the value of x in each of the following figures:
10:20:40 Cyclic Quadrilaterals: Theorem 10.11
10:31:07 Questions 1 to 7: Questions on Cyclic Quadrilaterals:
Questions 1 In the given figure, ABCD is a cyclic quadrilateral in which AB II CD. If BAD = 100°, find
11:43:16 Result on Cyclic Quadrilaterals: Theorem
12:16:28 Question 1 to 12: Exercise 10.5: Circles: Chapter 10
Question 1 - In Fig. 10.36, A, B and C are three points on a circle with center O such that BOC = 30° and ZAOB = 60°. If D is a point the circle other than the arc ABC, find ADC.
13:57:06 Question 1 to 10: Exercise 10.6: Circles: Chapter 10
Question 1 - Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection.
15:37:54 Website Overview
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