Question

the volume of spheres are in ratio 64:27 then ratio of surface area is??​

Answer 1

Answer:

16 :9

Step-by-step explanation:

Volume of sphere =4/3 πr³

64 :27 ⇒ 4³ :3³

∴ radius =4 :3

ratio of surface area = 4πr² : 4πr²

4² :3²⇒ 16:9