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who found the value of pi

 Nov 24, 2014

Best Answer 

 #1
avatar+23245 
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Archimedes, by measuring inscribed polygons (insided a circle) and circumscribed polygons (around a circle) pinned the value of pi between 3 1/7 and 3 10/71.

3 1/7     = 3/142857 ...

pi           =  3.1415926535...

3 10/71  =  3/14084507 ...

Many, many centuries later, pi because identified with infinite series, so now pi is calculated with computers.

 Nov 25, 2014
 #1
avatar+23245 
+5
Best Answer

Archimedes, by measuring inscribed polygons (insided a circle) and circumscribed polygons (around a circle) pinned the value of pi between 3 1/7 and 3 10/71.

3 1/7     = 3/142857 ...

pi           =  3.1415926535...

3 10/71  =  3/14084507 ...

Many, many centuries later, pi because identified with infinite series, so now pi is calculated with computers.

geno3141 Nov 25, 2014

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