·The width of a rectangle is 4 inches and the length is 9 inches. What is the length of a side of
a square that has the same area as the rectangle?
-4 inches
-6 inches
-9inches
-3 inches
To find the area of the rectangle, substitute the given values into the formula A = lw. Then, substitute 36 inches squared into the formula A = s2. Find the square root of both sides of the equation to find s.