A cube has edge lengths of 2 inches. Classify each of the following two-dimensional figures as to whether it can or cannot be formed as a cross section of this cube. An equilateral triangle [ Select ] A rectangle 1 inch wide by 2 inches long [ Select ] A rectangle 2 inches wide by 3 inches long [ Select ] A hexagon [ Select ] An octagon [ Select ] A square with a side length of 1 inch [ Select ] An isosceles triangle [ Select ] A square with a side length of 2 inches [ Select ]