66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:

Question

Accepted Answer

Let the length of the wire be h Radius = 1 mm = 1 cm. Then, …

⟹	22	x	1	x	1	x h = 66.
	7		20		20

⟹ h =	❨	66 x 20 x 20 x 7	❩	= 8400 cm = 84 m.
		22

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