Showerthoughts@lemmy.world · 3 years ago

If you squint hard enough, the capital letter pi (Π) looks like half a circle.

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If you squint hard enough, the capital letter pi (Π) looks like half a circle.

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Showerthoughts@lemmy.world · 3 years ago

Maybe this is why pi was chosen for half of the circumference of a circle.

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3 years ago
https://en.m.wikipedia.org/wiki/Pi

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