The difference between the radii of a bigger circle and a smaller circle is 14 cm and the difference between their areas is 1100 cm2. The radius of the smaller circle is
1
5.5 cm
2
4.4 cm
3
5.7 cm
4
4.6 cm
5
6.6 cm
The difference between the radii of a bigger circle and a smaller circle is 14 cm and the difference between their areas is 1100 cm2. The radius of the smaller circle is