Class 7 Maths | Symmetry Full Chapter Explanation & NCERT Solutions
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✅ In this video,
✔️ Class: 7th
✔️ Subject: Maths
✔️ Chapter: Symmetry
✔️ Topic Name: Symmetry Full Chapter Explanation & NCERT Solutions
✔️ Topics Covered in This Video: Full Chapter Explanation & Exercise from Class 7 Maths Chapter 12 Symmetry
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00:00 Introduction: Symmetry Full Chapter Explanation & NCERT Solutions
00:41 Introduction
09:34 Lines Of Symmetry (Definition)
12:49 Lines Of Symmetry
15:55 Lines Of Symmetry Of a Line
18:31 Lines Of Symmetry Of a Line Segment
21:06 Lines Of Symmetry Of an angle
22:31 Lines Of Symmetry Of An Isosceles Triangle
24:07 Lines Of Symmetry Of An Parallelogram
26:05 Lines Of Symmetry Of A Rhombus
28:10 Lines Of Symmetry Of A Rectangle
28:43 Lines Of Symmetry Of An Isosceles Trapezium
31:08 Lines Of Symmetry Of A Kite
32:19 Lines Of Symmetry Of An Arrow Head
34:30 Lines Of Symmetry Of A Semi-Circle
35:50 Lines Of Symmetry Of A Circle
36:58 Lines Of Symmetry Of Some Regular Polygons
39:16 Lines Of Symmetry Of An Equilateral Triangle
40:57 Lines Of Symmetry Of A Square
42:19 Lines Of Symmetry Of Some Regular Pentagon
44:40 Lines Of Symmetry Of Some Regular Hexagon
47:07 Line Of Symmetry And Reflection:
52:16 Rotational Symmetry
54:48 Angle Of Rotation
01:03:20 Order of Rotational Symmetry
01:06:17 Question 1 to 10: Exercise 14.1: Symmetry
1. Copy the figures with punched holes and find the axes of symmetry for the following:
01:39:09 Question 1 & 2: Exercise 14.2: Symmetry
1. Which of the following figures have rotational symmetry of order more than 1:
02:04:50 Question 1 to 7: Exercise 14.3: Symmetry
02:26:21 Website Overview
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