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There are cogs around the circumference of a wheel and each [#permalink]
27 Feb 2004, 11:01
14. There are cogs around the circumference of a wheel and each cog is Pie/16 centimeter wide with a space of pie/16 centimeter between consecutive cogs, as shown above. How many cogs of this size, with the same space between any two consecutive cogs, fit on a wheel with diameter 6 centimeters?