Question

if the radio of valumes of two spheres is 1:8then the radio of their surface areas is​

Answer 1

4/3πr1^3:4/3πr2^3=1:8 r1^3:r2^3=1:8 r1:r2=1:2 then ratio of surface areas 4πr1^2:4πr2^2=r1^2:r2^2=1:4