What is the order of rotational symmetry for the figure?
A. 2
B. 3
C. 1
D. 4 or more

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