https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/geometric-solids/e/identify-geometric-solids--3d-figures- 2025-04-16T14:25:03.578489663Z Identify geometric solids (3D shapes) Identify prisms, pyramids, cylinders, cones, and spheres. Lindsay exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:surface-areas-and-volumes/x06d55bfa213a79fd:surface-area-of-cuboid-and-cube/v/surface-area-of-a-box-cuboid-indian-accent 2025-06-06T15:33:38.563209632Z Surface area of a box (cuboid) Surface area is total area on the surface of a three-dimensional shape. To find the surface area of a cuboid which has 6 rectangular faces, add the areas of all 6 faces. Or, you can label the length (l), width (w), and height (h) of the cuboid and use the formula: surface area (SA)=2lw+2lh+2hw. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Surface area of a box (cuboid) Surface area is total area on the surface of a three-dimensional shape. To find the surface area of a cuboid which has 6 rectangular faces, add the areas of all 6 faces. Or, you can label the length (l), width (w), and height (h) of the cuboid and use the formula: surface area (SA)=2lw+2lh+2hw. https://cdn.kastatic.org/ka-youtube-converted/a_6u4T5nODA.mp4/a_6u4T5nODA.mp4 146 Surface area of cube, cuboid and cylinder https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:surface-areas-and-volumes/x06d55bfa213a79fd:cylinder/v/surface-area-of-cylinders-formula-indian-accent 2025-06-09T09:58:43.937294419Z Surface area of cylinders formula Use previous knowledge of surface area to make connections to the formulas for lateral and total surface area of cylinders. Courses on Khan Academy are always 100% free. Start practising—and saving your progress—now! (add course link here) 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 Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Surface area of cylinders formula Use previous knowledge of surface area to make connections to the formulas for lateral and total surface area of cylinders. Courses on Khan Academy are always 100% free. Start practising—and saving your progress—now! (add course link here) 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 https://cdn.kastatic.org/ka-youtube-converted/fPWgtycCHvQ.mp4/fPWgtycCHvQ.mp4 240 Surface area of cube, cuboid and cylinder https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:surface-areas-and-volumes/x06d55bfa213a79fd:cylinder/e/mensuration-18d 2025-02-18T07:52:09.551150445Z Surface area of a cylinder Mensuration ashish exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:surface-areas-and-volumes/x06d55bfa213a79fd:surface-area-of-cuboid-and-cube/e/b8-surface-area-of-cube-and-cuboid 2025-02-24T09:39:19.049669771Z Surface area of cube and cuboid Surface area of cube and cuboid ashish exercise