The ratio of the volumes of two cubes is 216 : 343. What is the ratio of their total surface areas? Choose the correct answer
A) 81:12  B) 31:36  C) 81:22  D) 8:19  E) 1:11
Ratio of the sides = ³√216 : ³√343   = 6 : 7   Ratio of surface areas = 62:72   = 31:36   Answer: 31:36
<result>B</result>
The ratio of the volumes of two cubes is 216 : 343. What is the ratio of their total surface areas?