A parallelogram shaped sweet is divided between two children. What test would best be used to determine if the
pieces are the same, assuming that the candy was split down
one of the diagonals?

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