Answer:
6 x 4 x 4
Explanation:
IN order to calculate the total area or the cardboard you just have to make a simple multiplication, the carboard is divided in equal sized squares, 6 equal sizd squares, and each one of them has a 4 inches side, so to calculate the area of the cardboard you just calculate the area of one square and then multiply it by the number of squares.
Area of one square= 4x4
Number of squares=6
Total area of the carboard= 6x4x4