tolong jawab......plis....

2.L= 2phir2+2phirt
      = 2.3,14.4.4+2.3,14.4.30
    =100,48+753,6
   =854,08 cm2
3.L=p.l.t
    =10.5.6
   =300 cm2
4.L= phi.r2+phi.r.s
     = 22/7.14.14+22/7.14.18
     = 616+792
    = 1408 cm2
5.L=s3
     =4.4.4
    = 64 cm2 
maaf klo salah