the ratio of total surface area to the curved surface area of a right circular cylinder is 3: 2 find the volume if its total surface area is 14784cm²
pranavswaroop43:
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total surface area=2πr(r+h)
curved surface area=2πrh
(r+h)/h=3/2
2r+2h=3h
2r=h
14784=2*22/7*3*r^2
r^2=784
r=28
h=56
volume=πr^2h
=22/7*28*28*56=137984
curved surface area=2πrh
(r+h)/h=3/2
2r+2h=3h
2r=h
14784=2*22/7*3*r^2
r^2=784
r=28
h=56
volume=πr^2h
=22/7*28*28*56=137984
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