Welcome to Mr. Aiello's Math Website

How can this image be True?

In the first picture the 4 colored shapes fill the entire area.

In the second picture the shapes are moved around, but they are the same.

Where does the empty space in the second shape come from?

Thanks to Andrew H. for this interesting math problem. 

Andrew figured it out, can you?

Email your answers to baiello@shorewood.k12.wi.us