The ratio of the volumes of two cubes is 27 : 64. What is the ratio of their total surface areas? Choose the correct choice.
A) 9:12 B) 12:18 C) 9:16 D) 8:2 E) 4:2
Ratio of the sides = Â³âˆš27 : Â³âˆš64   = 3 : 4   Ratio of surface areas =9:16   Answer: 9:16
<result>C</result>
The ratio of the volumes of two cubes is 27 : 64. What is the ratio of their total surface areas?