Asked by tuhituhi

A cylindrical vessel without a lid is made from a sheet of metal . Find the area of the metal required if the length of the vessel is 35cm and its diameter is 28cm ????
Answered by Steve
top and bottom have area πr^2 = 196π
sides have area 2πrh = 980π
total: 1176π
Answered by Steve
oops. gotta add another 196π since we have top and bottom.
Answered by Anjali chauhan
the length of the vessel h=35 cm
diameter = 28 cm
, therefore the radius of the cylinderical vessels r= 28/2=14cm
the surface area without lid = 2Rrh +Rrsqure
2*22/7*14+22/7*14*14
3080+616
3696 cm
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