The blue diagram on the left is a square of side 3 m, and the green diagram on the right is a rectangle of length 2 m and width 4 m.
The area of the blue square is calculated as,
The perimeter of the blue square is calculated as,
The area of the green rectangle is calculated as,
The perimeter of the blue square is calculated as,
Comparing the values, it can be concluded that the square has larger area and the perimeter of both the figures is same.
Therefore, option B is the correct choice.