Seudónimo Seudónimo

15-03-2017
Mathematics

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Two coins have a radii of 3 cm and 1 cm the smaller coin rolls along the circumference of the fixed larger coin until the smaller coin returns to its original position. How many revolutions has the small coin made?

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Аноним Аноним

22-03-2017

I think you have to do 3cm/1cm

I think the small coin makes 3 revolution

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