Mathematics
A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.
Related Questions
Find the radius of a sphere whose surface area is 154 cm2.
The diameter of the moon is approximately one fourth of the diameter of the earth. Find the ratio of their surface areas.
A right circular cylinder just encloses a sphere of radius r. Find
(i) surface area of the sphere,
(ii) curved surface area of the cylinder,
(iii) ratio of the areas obtained in (i) and (ii).
Find the volume of the right circular cone with radius 6 cm, height 7 cm.