Happy halving

Can you split each of the shapes below in half so that the two parts are exactly the same?

Problem

 

Can you split each of the shapes below in half so that the two parts are exactly the same?

 

Image
Shape with vertices at (1,2), (4,2), (4,4), (1,4).

    

Image
Shape with vertices at (1,2), (2,2), (2,1), (4,1), (4,3), (3,3), (3,4), (1,4).

 

Image
Shape with vertices at (0,1), (2,2), (3,2), (4,4), (0,4).
Image
Shape with vertices at (0,1), (1,0), (2,1), (5,1), (5,3), (4,4), (3,3), (0,3).