The ratio of the perimeter of a rectangle and the perimeter of a square is 4 : 5, and the breadth of the rectangle is equal to the side of the square. If the length of the rectangle is 12 cm, then what is the ratio of the area of the square to the area of the rectangle ?
1
3 : 4
2
3 : 2
3
4 : 3
4
5 : 3
5
6 : 5