There are two circles of radii r1 and r2 (r1 < r2). The area of the bigger circle is \(\frac{693}{2}\)cm2. The difference of their circumferences is 22 cm. What is the sum of the diameters of the two circles?
1
17.5 cm
2
22 cm
3
28.5 cm
4
35 cm
5
Not Attempted