Скачать или смотреть 7.2 Constructing a Triangle When Its Sides Are Given | Page 148 | Class 7 Chapter 7 | Ganita Prakash

In this video, we explain Section 7.2 – Constructing a Triangle When Its Sides Are Given from Chapter 7 – A Tale of Three Intersecting Lines, Class 7 Ganita Prakash (CBSE).

This section teaches students how to construct non-equilateral triangles using a ruler and compass when the three side lengths are provided. Through this construction, students understand how arcs from different points meet to form the third vertex of a triangle.

📘 Page 148 – Topics Covered:

▶ How to construct a triangle with 3 given sides
▶ Using a compass to draw arcs from two points
▶ Constructing a triangle with side lengths 4 cm, 5 cm, and 6 cm
▶ Understanding why some sets of side lengths form a triangle and some do not
▶ Developing accuracy and confidence in geometric construction

This lesson strengthens geometric understanding and shows how side lengths uniquely determine a triangle, forming a foundation for more advanced constructions.

Playlist for Chapter 7 – A Tale of Three Intersecting Lines:

   • A Tale of Three Intersecting Lines | Class...  

Playlists for all Class 7 Maths Chapters:

Chapter 1 – Large Numbers Around Us
   • Large Numbers Around Us | Class 7 | Chapte...  

Chapter 2 – Arithmetic Expressions
https://www.youtube.com/playlist?list...
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Chapter 3 – A Peek Beyond the Point
   • A Peak Beyond the Point | Chapter 3 | Class 7  

Chapter 4 – Expressions Using Letter-Numbers
   • Expressions Using Letter-Numbers | Chapter...  

Chapter 5 – Parallel and Intersecting Lines
   • Parallel & Intersecting Lines | Class 7 | ...  

Chapter 6 – Number Play
   • Number Play | Class 7 | Chapter 6  

Chapter 7 – A Tale of Three Intersecting Lines
   • A Tale of Three Intersecting Lines | Class...  

Chapter 8 – Working with Fractions (Coming soon)

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