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Grade: 12th pass

                        

The capacity of a closed cylindrical uessel of height 1 m i.s 15.4 litres. How many square metres of metal sheet would be needed to make it?

The capacity of a closed cylindrical uessel of height 1 m i.s
15.4 litres. How many square metres of metal sheet would be needed to make it?

one month ago

Answers : (1)

Pawan Prajapati
askIITians Faculty
4730 Points
							Capacity of closed cylindrical vessel 
= 16.4 l 
= 16.4 x 1000 cm.3 = 16400 ems. 
Height = 1 m = 100 cm. 

'lri1'h = 15400 722 

x .,:;. x 100 = 16400 

,_ 154 x 7 
r = = 49 r 7 cm. 
22 
Area of met.al sheet needed = 2ttr(h + r) 
= 2 x 7 x 7 x(lOO + 7) cm2 
= 4708 cm2 = 0.4708 m2• 

						
one month ago
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