HomeClass: 9 Surface Area of a Sphere | Class: 9 | Chapter: 13 | Exercise: 13.4 Surface Area of a Sphere A sphere is a solid shape which is completely round like a ball. It has the same curved and total surface area. Curved or Lateral surface area of a Sphere 4πr2 Total surface area of a Sphere 4πr2 r= radius Surface Area of a Hemisphere If we cut the sphere in two parts then is said to be a hemisphere. Curved or Lateral surface area of a Sphere 2πr2 Total surface area of a Sphere 3πr2 Tags: Class: 9 Facebook Twitter
