#1 There is no area of a cube. There is only a volume.
#2 The formula is

where s is the side.
Substitute 729 in V since that is the volume.

Take the cube root and you will get
9.
So the formula is
and the side is 9.
I don’t know but I need to answer a question so this is my answer
Answer:
2x
Step-by-step explanation:
1/4 divided by 6 equals:
0.0416666667
<span>Hope that helps and correct me if I'm wrong!</span>