[Dailydave] P != 3.14

dan at geer.org dan at geer.org
Tue Oct 30 21:25:32 EDT 2007


Hamid,

I shared that with a collector of mathematical triva.

His reply:

> the area of an 82' circle is 5281 sq.ft.,
> because 5281 is pi*41^2 , very nearly.
> as it happens, 82' = 25 m, so this circle
> is also 25 meters across.
> 
> note that this 25m circle is what you get
> when you coil a 1 mile-long cable, 1 foot
> in diameter, in a tight, flat, spiral coil.

Yours in space,

--dan



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