You can
put this solution on YOUR website!The aera of a rectangle is equal to the product of its length and width. A square is a rectanlge with equal length and width, so the are of a square is equal to its length multiplied again by its length!

I hope this helps.
Adam
P.S. please visit my website, I only set it up last week and it may be of use to you. The address is http://geocities.com/quibowibbler