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 smalle
r coin returns to its original position. How many revolutions has the small coin made?
1 answer:
I think you have to do 3cm/1cm
I think the small coin makes 3 revolution
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g(x) = -7 + 3 = -4
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