Arectangular piece of cardboard, whose area is 323 square centimeters, is made into an open box by cutting a 2-centimeter square from each corner and turning up the sides. if the box is to have a volume of 390 cubic centimeters, what size cardboard should you start with?
a figure is composed of 4 outer rectangles around a central dashed rectangle. each outer rectangle shares one side in common with the central rectangle and has a short side extending away from the central rectangle.
the dimensions are
nothing centimeters.
(use a comma to separate answers as needed.)