Kite in a Square - Pythagoras Approach

In Kite in a Square you were asked what fraction of the total area of square ABCD is shaded. 

This printable worksheet may have been useful: Kite in a Square

Below is an approach for finding the shaded area, using Pythagoras' Theorem, but all the statements have been muddled up.

Using this diagram to help you, can you rearrange the statements back into their original order?