Framingham Pi

Framingham Pi
Found by	RanWiz
City
State	Massachusetts
Country	United States
Continent	North America
Posted on	Dec 31, 2005
Map Location	42° 17' 5" N, 71° 30' 2" W
Numbers	12, 9, 1, 7
Type	Basic
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Randy Weiss puts another constant on the board for Massachusetts! This sign confounded him for a while searching for some mathematical relationship, and then it dawned on him that it contained the somewhat common 22/7 combination.

By far the most common approximation of Pi is done again.

${ { 12 + 9 + 1} \over 7 } \approx \pi$

This sign is on eastbound I-90, Mass Pike at exit 12. The GPS coordinates are approximately N42.28472 W71.50069.