[填空题]
A right cylinder, as shown i5bbc lr 11(c jq-kkvz)n the rhd(sv*r3red *)qjn6 tz p7(ddiagram, has a base diameter of 0.40.4 m and a heig(rr(s d n3q7*dzv hdepr)tj6*ht 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. $m^2$