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Comparing simple school fractions to high-precision approximations of \(\pi \).
| Approximation | Value |
| Mesopotamian | \(3.125\) |
| Āryabhaṭa | \(3.1416\) |
| Zu Chongzhi | \(\frac{355}{113}\) |
1. Which approximation is the closest to \(\pi\) ?
2. Which approximation is most commonly used in school mathematics?
3. Is \(\pi\) a rational or irrational number?
Answer variants:
\(\frac{22}{7}\)
\(3.1416\)
\(\frac{356}{113}\)
\(3.125\)
irrational
\(\frac{355}{113}\)
rational
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