a solid cylinder has a total surface area 462 cm2 .its curved surface area is one third of the total surface area .find the volume of the cylinder
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above is the answer....
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bindhu9400:
2πr2 could u explain
do u want to know the derivation of this formula...??
mm
as u would be knowing that....SA of sphere is 4πr^2..........and the half of sphere is hemisphere(semicircle)
so...
u can do the half of 4πr^2
kk
and u will derive this formula.....2πr^2
ok?
mm
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20
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please mark it as brainliest
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