III. Square Roots in the Real World The inverse operation of squaring is finding the square root. A square root is any number that you can multiply by itself to get your original number. For example, 3 is a square root of 9, because 3∙3 = 9. Another square root of 9 is -3, because (−3)∙ (−3) = 9. Example: The length of each side of a square measures s inches long. The area of the square is 16 in 2 . What is the length of one side of the square? a. Describe in words how to find the area of the square given that each side is s inches long.