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Maths help please!
Had I known I was going to take up jewellery making I might have paid more attention to certain parts of my maths lessons!
Is there a formula for working out how much longer a piece of wire will get when flattened? I have some 4 mm round copper which I want to flatten to make 500 mm of 0.7 mm thick "ribbon".
This is a prototype for a recreation of a Bronze Age twisted gold necklace that I saw in a museum the other day but for obvious reasons I want to experiment in cheap metal first.
And apologies if this is a silly question but does the relationship hold true for all metals or is the calculation going to be different?
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