Calc
posted by kaa .
A gift box measures 6 in. along each edge You cut a rectangular sheet of wrapping paper to get a single piece with which you can cover the box without overlapping. What are the smallest possible dimensions of the original sheet of wrapping paper?
a. 24 in. by 18 in.
b. 20 in. by 14 in.
c. 18 in. by 20 in.
d. 12 in. by 14 in.

please

I thought Steve just showed you how to find the correct answer.
http://www.jiskha.com/display.cgi?id=1389975375 
Hmmm. I get 18x24, since you need 24" to go all the way around the box.
Then you cut out the corners so you get a Tshaped sheet of paper. The 18" crosspiece will wrap around the base and two of the sides.