Hector, does the outer circle roll further?

If both circles roll around the inside and the outside edge of the large circle, which small circle rolls the furthest? Problems of the Week True or False? If both pennies roll around the edge of the circle back to their starting positions, the outer penny will complete more rotations. Assume the circle has negligible width. See more problems... Brilliant, 15 Butte Pl, San Francisco CA 94103 Unsubscribe from receiving Brilliant problems of the week 2-3 times per week (like this one).