Surface area is

Surface area OF Sphere||Definition OF Sphere||Surface Area OF Hemisphere||Total Surface area OF Hemisphere||Discussion OF Example and Exercise-13.5

Surface area of Hollow Cylinder

Surface area of the four walls.

Surface area of a sphere is

Surface area of a hemisphere is

Surface area of a cube.

Surface area of Spherical Shell

Surface area of Sphere and Hemisphere

Surface area of a cuboid

Surface area of cube