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22. Mensuration-III (Surface Area and Volume of a Right Circular Cylin
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Q39 of 62 Page 22

2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.25 cm in diameter. Find the length of the wire.

Given,


Volume of brass wire = 2.2 dm3 = 2200 cm3


Diameter of cylindrical wire = 0.25 cm


Radius of wire =


Let length of wire = h cm


so,


=


=


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Questions · 62
22. Mensuration-III (Surface Area and Volume of a Right Circular Cylin
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