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05/02/1897 Pi = 3.2 by law

2:07

Strange Heartland History: The Pi Bill of 1897

4:54

3 Ways Pi Can Explain Practically Everything

6:11

The Pi Episode: Math Bites with Danica McKellar

The General assembly of the American state Indiana passed Bill No.246 which in effect gave 3.2 exactly as the value of pi. It stated, in part, "the ratio of the diameter and circumference (pi) is as five-fourths to four." That is 3.2 exactly. The bill never became law, due to the intervention a mathematician, who happened to be present.
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