Question

Please check my 3 answers :) [Will fan+medal]

Answer 1

The first and second is correct

Answer 2

and I think that the third one is correct too ^.^

Answer 3

I got a little confused on the third one.

Answer 4

Surface area is just 6a^2

Answer 5

where a represents a side of the cube

Answer 6

Look at the second one, that's the area

Answer 7

In the third one, add the areas together

Answer 8

What you did is correct :)

Answer 9

Thank you! :)