Given:Height of Cylinder,  h=10 cmRadius of Cylinder = Radius of Hemispheres =r =3.5 cmSurface area of article = CSA of cylindrical part + 2 x CSA of hemispherical part=2πrh+2×2πr2=2π×3.5×10+2×2π×3.52=70π+49π=119π=119×722​=17×22 =374 cm 2