The Volume of a cylinder is 448 π cm 3 and height 7 cm. Find its total surface area. (754.28cm 2 )
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volume of cylinder=πr^2h
448π = π r^2 ×7
448=r^2×7
448/7=r^2
64=r^2
√64 =r
r=8
T SA of cylinder= 2πr(r+h)
=2×22/7×8(8+7)
=44/7×8×15
= 5280/7
= 754.28
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