円周率
Reading: えんしゅうりつ
Meaning: pi (π)
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Example Sentence
円周率 の 近似値 として 3.14 が よく 使われる
3.14 is often used as an approximation of pi.
Usage Notes
The mathematical constant pi (π), the ratio of a circle's circumference to its diameter. It's an irrational number, approximately 3.14159.
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