Surface area of Sphere and Hemisphere

Find the ratio of the total surface area of a sphere and a hemisphere of same radius.

The ratio of the total surface area of a sphere and a hemisphere of same radius is 2:1 (b) 3:2 (c) 4:1 (d) 4:3

Volume of Sphere and Hemisphere

Sphere|Surface Area Of Sphere|Hemisphere|Some Questions|What Is Volume?|Some Questions|OMR

Radius of hemisphere is twice that of a sphere. What is the ratio of total surface area of hemisphere and sphere ?

The ratio of the surface area of a sphere and the curved surface area of the cylinder circumscribing the sphere is

The surface area of a solid sphere is 5544cm^(2) . It is cut into two hemispheres.Calculate the radius of the sphere and the total surface area of each hemisphere.

Is the following statement true or false. The radius of a sphere and hemisphere is the same . If the surface area of the sphere is 400 cm^(2) then the total surface area of the hemisphere will be 200 cm^(2)

Volume and surface area of a solid hemisphere are numerically equal. What is the diameter of the hemisphere. ?