The area of a square is s2​, where s is the side length. Suppose you have three squares. One square has side length 9 feet. Another square has side length 6 feet. The third square has side length . Is the sum of the areas of the two smaller squares equal to the area of the large​ square? Use pencil and paper. Explain your answer. Then describe three squares for which you would give the opposite answer for the same question.