Coco is making clown hats from a circular piece of cardboard. The circumference of the base of each hat equals its slant height, which in turn is equal to the radius of the piece of cardboard. What is the maximum number of hats that Coco can make from the piece of cardboard?
Select one option, then click Submit.
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Select an option, then submit.
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Senior Mathematical Challenge 2012 (2012)
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