Question

15. Two cubes have their volumes in the ratio 1:27 then find the ratios of their surface area​

Answer 1

Answer:

Let V1 and V2 be volume of cubes a1 and a2 be edges and S1 and S2 be surface areas

V1/V2=1/27

a1^3/a2^3=1/27

a1/a2=1/3

S1/S2=6a1^2/6a2^2

=(1/3)^2=1/9