The diagram shows three squares that are joined at the vertices to form a right triangle. Which of the following statement(s) are true?

I. The sum of the areas of square N and Square L is equal to the area of Square K.
II. The sum of the areas of Square N and Square L is greater than the area of Square K.
III. The sum of the areas of Square N and Square K is greater than the area of Square L.
IV. The sum of the areas of Square N and Square K is less than the area of Square L.