[填空题]
A right cylinder, aszd qn8a-n+c-jla ;wi+ 4k kf /2l;zrcvshown in the diagram, has a base diameter of 0.40.4 m and a heightrv4kfzc/kl2 ; 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. $m^2$