Q58 of 189 Page 512

The volume of a sphere is 38808 cm3. Its surface area is

Volume of a sphere


Given Volume=




⇒ r=21cm


Surface area of a sphere


Surface area

More from this chapter

All 189 →
56

The surface area of a sphere is 1386 cm2. Its volume is

 57

If the surface area of a sphere is then its volume is

 59

If the ratio of the volumes of two spheres is 1 : 8, then the ratio of their surface area is

 60

A solid metal ball of radius 8 cm is melted and cast into smaller balls, each of radius 2cm. The number of such balls is