Each square on the grid represents 1 ft². what is the approximate area of this patch of grass? a. about 35 ft² b. about 40 ft² c. about 45 ft² d. about 50 ft²

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm