[填空题]
A right cylinder, as s,by(s 8o1kxc*9wavr-gv0 kn zxl atif 4-x5m-hown in the diagram, has a base diameter of 0.40.4 m and a- afmx-4ixt5l height of 2.6 m.
1.Write down the radius, in cm, of the base of the cylinder. cm
2.Calculate the area, in $m^2$, of the base of the cylinder. $m^2$
3.Calculate the area, in $m^2$, of the curved surface of the cylinder. $m^2$