When Antonio opens and lays a cereal box Out flat he sees that the top and bottom of the box each measure 2“ x 9“ ,the sides of the box each measure 2“ x 11“ in the front and back of the box each measure 9“ x 11“. what is the surface area up Antonio’s cereal box?

Answer 1

If you made an actual sketch of the box laid out, you should realize that
you have 3 "pairs" of rectangles.
Find the area of each and add them up.
Let me know what you get.