A well with inner radius 3 m, is dug 6 m deep. The soil taken out of it has been spread evenly all around it to a width of 2 m to form an embankment. The height (in m) of the embankment is:
1
\(4\frac{1}{2}\)
2
\(4\frac{1}{4}\)
3
\(3\frac{1}{4}\)
4
\(3\frac{3}{8}\)