These three squares have the special property that the area of the two smaller squares together is equal to the area of the larger square.
![Three squares made from 2 by 2 Lego bricks, arranged so that one edge of each square forms a side of a right-angled triangle. There is a yellow 4 by 4 square and a blue 3 by 3 square. The third square is a 5 by 5 square made up of a 3 by 3 blue square in the top left, with 16 yellow bricks arranged to the right and below to fill in the rest of the square](https://alisonkiddle.co.uk/wp-content/uploads/2023/08/Lego31-1024x1024.jpg)
Can you find some more sets of three squares with this property?
What happens if you arrange them in a triangle?