solve please.............
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c.s.a of cone=πrl
l=√(h^2+r^2)
l=√(441+784)
l=35
c.s.a=22/7*28*35=3080
c.s.a of cylinder=2πrh
=2*22/7*28*4=704
total c.S.a=3784
required cloth=3784*2=7568m
l=√(h^2+r^2)
l=√(441+784)
l=35
c.s.a=22/7*28*35=3080
c.s.a of cylinder=2πrh
=2*22/7*28*4=704
total c.S.a=3784
required cloth=3784*2=7568m
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