perplexus.info :: Geometry : You say you want a revolution...

You say you want a revolution... (Posted on 2004-06-27)

A circle with radius 1 rolls without slipping once around a circle with radius 3. How many revolutions does the smaller circle make?

Does it matter if the smaller circle rolls on the inside or outside of the larger circle?

See The Solution Submitted by SilverKnight

Rating: 2.7500 (4 votes)

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damn'it

| Comment 11 of 12 |

l1=pi

l2=3pi-0

l2e=3pi+0

rolls=3+0; 3-0

Posted by vije on 2004-07-07 13:53:39

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