Question

HELP
A cube has side length 18 kilometers. What is its surface area?
A. 216 km2
B. 432 km2
C. 1,944 km2
D. 5,832 km2

Answer 1

what, 18 km ?? it is a giant cube :P
use the formula
SA = 6s^2

Answer 2

That is one big cube. Anyway, formula for the surface area of a cube is just
\[\large 6s^2\]
Where s is the length of one of the sides.

Answer 3

with s is side of cube

Answer 4

idk

Answer 5

\[18^{2} * 6\]

Answer 6

@terenzreignz said it much more eloquently than I did... :-)

Answer 7

6 x 18 x 18 = .... ?