Totalsurfacearea231cmsup2supCurvedsurfacearea23x231154cmsup2supCurvedsurfaceareaofcylinder2pirhrArr2pirh154rArr2times227timesrtimesh154rArrrtimesl245Totalsurfaceareaofcylinder2pirrhrArr2pirrh231rArrrrh3675rArrrsup2suprh3675rArrrsup2sup3675245rArrrsup2sup1225rArrr35cmVolumeofcylinderpirsup2suphrArrpitimesrtimesrtimeshrArrpitimes35times245rArr2695cmthere4Thevolumeofthecylinderis2695cmsup3sup