NCERT Exercise 11.2 Q9 - Surface Areas and Volumes
Question: 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 two areas.
Answer: (i) 4πr², (ii) 4πr², (iii) ratio = 1 : 1.
Full step-by-step NCERT solution with diagrams on Something by Zero.