a rectangular sheet of dimensions 66cm by 15cm is rolled along its length to form a right circular cylinder of height 15cm find the volume of the cylinder so formed
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perimeter=2pir
66=2*22/7*r
66=44/7*r
66*7=44*r
462=44*r
462/44=r
10.5=r
volume =pi r square*h
=22/7*10.5*10.5*15
so the answer is 5197.5
Answered by
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circumference =2,πr
66=2×22\7×r
66×7/22×2= R
14/2 =r
r=7
volume of cylinder =πr^2h
= 22/7×7×7×15
= 22×105
= 2310
hope it will help you
66=2×22\7×r
66×7/22×2= R
14/2 =r
r=7
volume of cylinder =πr^2h
= 22/7×7×7×15
= 22×105
= 2310
hope it will help you
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