A square with side length 8 is cut in half, creating two congruent rectangles. What are the dimensions of one of these rectangles?<spanclass=′latex−bold′>(A)</span>2 by 4<spanclass=′latex−bold′>(B)</span>2 by 6<spanclass=′latex−bold′>(C)</span>2 by 8<spanclass=′latex−bold′>(D)</span>4 by 4<spanclass=′latex−bold′>(E)</span>4 by 8