The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?	Answers.
A) 81 : 121  B) 81 : 128  C) 81 : 120  D) 81 : 125  E) 81 : 122
Ratio of the sides = 3√729 : 3√1331 = 9 : 11   Ratio of surface areas = 92 : 112 = 81 : 121   81 : 121nswer: 81 : 121
<result>A</result>
The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?