https://www.khanacademy.org/math/ncert-class-10/xd6a17b08edbd2443:surface-areas-and-volumes-ncert-new Check out the whole chapter on Khan Academy!
Curated by: Khan Academy India - English (4 videos)
https://www.khanacademy.org/math/ncert-class-10 Let's look at a few common types of problems involving surface area of combination of solids and look at broad strategies on how to solve them and what mistakes to watch out for. Created by Aanand Srinivas. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Aanand Srinivas.