Why does Pi show up in so many diverse equations if it’s only related to a circle?

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Is Pi more than just a ratio for circles? Is there a easy way to understand the universality of Pi?

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Anonymous 0 Comments

Although there are plenty of other decent answers, I’d suggest the most fundamental misunderstanding in your question is your assertion that pi is _only_ related to circles.

Pi is deeply related to _cycles_, of which circles are just one of the simplest examples. Cycles appear virtually everywhere both in math and in nature, hence the frequent appearance of pi.

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