[填空题]
A right cylinder, as shown in the diagram, has a ba+k0jyucq: 4 w; n:ezeiobvq*6 se diametr nb9t-c:yz k i:c1uqh4:p +chc9h+k der of 0.40.4 m and a height cb cp izh:d r+tnq+4h-1y:9: kk9huccof 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. $m^2$