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2015 AMC 10A Problems/Problem 14

Revision as of 19:14, 4 February 2015 by Ariel86 (talk | contribs)

Problem

Clock - radius 20 cm Disk - radius 10 cm, externally tangent at 12 o'clock, arrow pointing up

If the disk rolls clockwise, where on the clock will it be when the arrow points up?


Solution

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