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December 20, 2014

December 20, 2014

Posted by **asheem** on Monday, May 7, 2012 at 1:52pm.

- math -
**Reiny**, Monday, May 7, 2012 at 1:59pm(If you insist to use π as 22/7 ...

Using π as 22/7 ended in the early 70's when calculators became popular. I don't know of any texbook that still uses that approximation)

2r = 11/6

r = 11/12

C = 2(22/7)(11/12) = 484/84 = 121/21 or appr 5.76

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