Question

how many ways a rectangle cut into 4 equal parts

Answer 1

I can only come up with 3: 
horizontal bars
 vertical bars 
4 smaller rectangles ( 1 vertical line through middle, and 1 horizontal line through middle)

Answer 2

1.  Horizontally split it two equal  parts and once again repeat  the same to two equal halve.           (four rectangles)
2.  Split it vertically as done in 1.(four rectangles)
3.  Horizontally Split it to  two equal parts. and then split diagonally.(four triangles)
2.  Vertically spli into two equal parts , then split diagonally.(four triangles)