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gauri

· started a discussion

· 1 Months ago

krishna nandan kumar (Question: 84128.0 )

sir we multiply when we convert volume in capicity but you have devide here.

Question:
The capacity of a closed cylindrical vessel of height 1 meter, is 15.4 liters. How many square meters of metal sheet would be needed to make it?
Options:
A) 0.4708 m2
B) 0.4700 m2
C) 0.4710 m2
D) 0.48 m2
Solution:

Ans: (a)Given that, 

height of a closed cylindrical vessel=h = 1 m. 

and capacity = 15.4 litres


Therefore, total surface area \(2πr(h+r)\)


= 0.4708 m2

Hence (a) is correct

Knowledge Expert

· commented

· 1 Months ago

Its correct because

1m^3 = 1000 litre
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