Скачать или смотреть Surface Areas and Volumes - NCERT Examples (Eg. 4 to 7) | Class 9 Maths Chapter 11 | CBSE 2025

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Maths
✔️ Chapter: Surface Areas and Volumes (Chapter 11)
✔️ Topic Name: NCERT Examples (Eg. 4 to 7)
✔️ 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. 4 to 7)' 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. 4 to 7)
01:22 Example 4: Find the surface area of a sphere of radius 7 cm.
04:45 Example 5: Find (i) the curved surface area and (ii) the total surface area of a hemisphere of radius 21 cm.
10:07 Example 6: The hollow sphere, in which the circus motorcyclist performs his stunts, has a diameter of 7 m. Find the area available to the motorcyclist for riding.
13:43 Example 7: A hemispherical dome of a building needs to be painted (see Fig). If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is = 5 per 100 cm2.
25:17 Website Overview
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