The radius of a circle is equal to 7/8th of the side of a square. The ratio of the area of a circle and area of the rectangle is 11: 6. If the sum of the length and breadth of rectangle is 100 cm and the difference between the length and breadth of the rectangle is 40 cm, find the square's perimeter.
1
140 cm
2
145 cm
3
150 cm
4
160 cm
5
None of these