Question

What is the surface area of a cube with side length 8 kilometers?

one hundred ninety-two square kilometers

two hundred fifty-six square kilometers

three hundred eighty-four square kilometers

five hundred twelve square kilometers @Zale101

Answer 1

@Zale101

Answer 2

@Venny

Answer 3

Ok, A cube as 6 sides so we can find the area of one side then multiply it by 6. The formula to do this is
\(\Large\ SA=6(l*w)\)
Where the l and w are both 8

Answer 4

SA+6(64)

Answer 5

+ = =

Answer 6

= not plus but yes

Answer 7

how do i get the final answer? multiply them?

Answer 8

Yes that is what 6(64) means, it is the same as 6*(64)

Answer 9

tks

Answer 10

No problem!\(\color{gold}\bigstar\)