Question

9.
If the ratio of volumes of two cubes is 27.64 then the ratio of their surface area is
(A) 3:4
(B) 4:3
(C) 9:16
(D) 16:9​

Answer 1

Answer:

The answer is 9:16

Step-by-step explanation:

The volume of cube=a^³

ratio of volume =27:64

let convert ratio as volume

so,27 and 64 is the volume of two cube

now,find the side of cube

so,side will be 3 and 4

now, find the surface area of two cube

the area will be 54 and 96

ratio of area =54/96

ratio =9:16