The ratio between the radius of the circle and the length of the rectangle is 7: 22 and the breadth of the rectangle is equal to the base of the triangle. The area and height of the triangle is 2800 cm2 and 80 cm. The perimeter of the rectangle is 580 cm, then, find the perimeter of the circle?
1
320 cm
2
440 cm
3
550 cm
4
650 cm
5
None of these