Why does Pi equal 3.14(…)?

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I’m seeking a physical science based explanation of why Pi equals what it does in our universe, not necessarily a mathematical answer.

What laws govern such constants…curvature of the universe? In our expanding universe, will this constant ever change?

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8 Answers

Anonymous 0 Comments

The “normal” rules of geometry that people generally use have a built in assumption that all the shapes involved are sitting on a perfectly flat plane. For example, if you draw a circle onto a curved surface then measure the circumference and diameter along that surface, you will find that the equation C=pi * d doesn’t work – instead you have to use a different constant in place of pi which varies based on the exact curvature of the surface you were drawing on. That being said, the fact that the universe is growing and may have some curvature in any given spot doesn’t have any practical effect on the value of pi. You can still build an arbitrarily flat surface and not be able to feasibility detect the effects of growth and curvature

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