Help me , anyone good at Mathematics and Geometry plz help

http://www.busadm.com/busboard/files/64_65.gif

I am so confused :confused:

You should try to draw the rectangle, then you will get it. ;)

Hint: There's something wrong with its diagonal. :)

Or even better: draw the first figure, cut out the four pieces and try to put them together again to get the rectangle. ;)

the damn maths :scared:

What do those characters say?:confused: