Two cubes of their volumes in the ratio 343 : 729. The ratio of their surface area is: Choose the correct choice from the following choices.
A) 7:9	B) 2:5	C) 3:5	D) 1:5	E) 4:5
The ratio of their surface area is   343 : 729   7 : 9   7:9nswer is 7:9.
<result>A</result>
Two cubes of their volumes in the ratio 343 : 729. The ratio of their surface area is: