The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?  Choose the correct choice.
A) 81:121
B) 81:128
C) 81:118
D) 81:107
E) 81:189
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?