The curved surface area and the whole surface area of a hollow sphere are the same.

The ratio of the surface area of a sphere and whole surface area of a hollow hemisphere of same measurement will be

The ratio of the surface area of a sphere and whole surface area of a hollow hemisphere of same measurement will be

Find the slant height,volume,curved surface area and the whole surface area of a cone of radius 21cm and height 28cm.

Volume and surface area of sphere

Derive the formula for the curved surface area and total surface area of the frustum of a cone.

Derive the formula for the curved surface area and total surface area of the frustum of a cone.

Surface area of Hollow Cylinder

If the ratio of the volume and the whole surface area of a solid sphere be 4:9 then find the radius of sphere.

A sphere and the base of a cylinder have equal radii. The diameter of the sphere is equal to the height of the cylinder. The ratio of the curved surface are of the cylinder and surface area of the sphere is __________.

The formula to find the curved surface area of a sphere is