Surface Areas and Volumes - NCERT Examples (Eg. 1 to 3) | Class 9 Maths Chapter 11 | CBSE 2024

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Maths
✔️ Chapter: Surface Areas and Volumes (Chapter 11)
✔️ Topic Name: NCERT Examples (Eg. 1 to 3)
✔️ Topics Covered In this video (By Kishore sir): In this captivating video, Sir guides you through the fascinating realm of Class 9 Maths, focusing on 'NCERT Examples (Eg. 1 to 3)' of Chapter 11, "Surface Areas and Volumes". Join us as we simplify complex topics and make learning fun and engaging for all Class 9 students. Dive deep into the world of Maths as we explore key concepts essential for your studies
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00:00 Introduction: Surface Areas and Volumes - NCERT Examples (Eg. 1 to 3)
01:17 Example 1: Find the curved surface area of a right circular cone whose slant height is 10 cm and base radius is 7 cm.
05:01 Example 2: The height of a cone is 16 cm and its base radius is 12 cm. Find the curved surface area and the total surface area of the cone (Use π = 3.14).
16:05 Example 3: A corn cob (see Fig), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length (height) as 20 cm. If each 1 cm2 of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob.
29:19 Website Overview
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