Let's see who is faster....
314/2×3.14
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Inspired from this answer and my comment to it, I seek alternative ways to establish π>3.14. The goal is to achieve simpler/easy to understand approaches ...
Top answer · 66 votes
From the elementary inequality sinxx≤2+cosx3, we get with x=π/6 easily π≥184+√3=3.1402… ... More
25 votes
If we consider the Beuker-like integral 0<∫10x8(1−x)81+x2dx=4π−18868415015 we get, ... More
20 votes
Take Machin's formula: π=16tan−115−4tan−11239 Expand the arctangents into their ... More
12 votes
Similarly to Jack d'Aurizio's answer (first section), we have the simpler integral ... More
12 votes
For modest requirements of accuracy, we can use a quite basic and easy to understand convergence ... More
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Answer:
492.98.........is right answer
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