200
A small square is located inside a bigger square. The length of one side of the small square is 3 inches and the length of one side of the big square is 7 inches
What is the area of the region located outside the small square, but inside the big square?
Area of big square = s × s = 7 × 7 = 49 square inches
Area of small square = s × s = 3 × 3 = 9 square inches
Area of the region in red = 49 - 9 = 40 square inches