The volume of a cylinder is 4481 cm² and its
height is 7 cm. Find the curved surface area and
the total surface area of the cylinder.
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Step-by-step explanation:
volume of cylinder
πr2h=4481 cm2
22/7×r2×7=4481
r2=4481/22=203.68
r=√203.68
r=14 approx
and
height=7cm
now to find
curved surface area
2πrh
2×22/7×14×7=2*22*14=616 cm2
total surface area
2πr(h+r)
2×22/7×14(7+14)
2×22×2×21=88*21=1848 cm2
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