NCERT Exercise 11.2 Q2 - Surface Areas and Volumes

Question: Find the surface area of a sphere of diameter (i) 14 cm, (ii) 21 cm, (iii) 3.5 m.

Answer: (i) 616 cm², (ii) 1386 cm², (iii) 38.5 m².

Full step-by-step NCERT solution with diagrams on Something by Zero.