If the ratio of volume of two cubes is 64 : 27, then find the ratio of their surface areas is:
Answer & explanation
Correct answer: option 3
Ratio of volumes = 64 : 27
Ratio of edges = \(\sqrt[3]{64 }\) : \(\sqrt[3]{27 }\)
= 4 : 3
Ratio of surface areas = 6(4)2 : 6 (3)2
= 16 : 9