Does Pi Really Equal 2? 🤔 The Surprising Truth Revealed

Discover the fascinating thought experiment that challenges your understanding of Pi and geometry. Find out why Pi is not equal to 2 in this quick explainer!

Does Pi Really Equal 2? 🤔 The Surprising Truth Revealed
Mathematical Visual Proofs
2.5M views • Mar 11, 2024
Does Pi Really Equal 2? 🤔 The Surprising Truth Revealed

About this video

In this short, we show a thought experiment that arises by doubling the number of semicircles drawn in a semicircle but halving their radii. The process produces an infinite collection of smaller and smaller chains of more and more semicircles that always have combined circumference length equal to pi. If we think about the limiting process, it seems like maybe this technique shows that pi = 2. But Pi can definitely be shown to be greater than 3 - so where does this argument fail?

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Here is a related false proof that shows root 2 is equal to 2:
https://youtube.com/shorts/owFwvyozcn8

This false argument was suggested to me by Jeff Stuart as a nice alternative to the more classic Pi = 4 argument.

#math #manim #visualproof #proofwithoutwords #circle #circumference #radius #pi #piday #shorts #infinite #falseproof

To learn more about animating with manim, check out:
https://manim.community

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Views

2.5M

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94.2K

Duration

0:59

Published

Mar 11, 2024

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