A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in `mm^3`) is needed to fill this capsule ?

Find the surface area of a sphere of diameter: 3.5m

Find the volume of a sphere whose radius is : 3.5 cm.

The volume of a sphere is 524 cm^3 . The diameter of sphere is :

A medicine capsule isin the shape of a cylinder with twohemispheresstuck to each of its ends. The length of the entire capsule is 14 mm and the diameter of the capsule is 5 mm. Find its surface area.

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in figure. Find the area of each sector of the brooch.

A piece of ductile metal is in the formof a cylinder of diameter 1 cm and length 5 cm. It is drawn out into a wire of diameter 1 mm. What will be the length of the wire so obtained ?

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in figure. Find the total length of the silver wire required.

A brooch is made with silver wire in the form of a circle with diameter 35 mm.The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in Fig. 12.12. Find : (i) the total length of the silver wire required, (ii) the area of each sector of the brooch.