eli5 Why is the circumference of a circle divided by its diameter always (for the majority) equal to pi?
In: 8
It’s the same reason a square’s perimeter is always 4x its length. It has 4 equal sides, each with the same length, so the total of the sides is 4x its length.
A circle is a consistent shape so its proportions are always the same. A circle has smoothly curved sides instead of straight sides like a square, so the math to calculate that ratio isn’t as simple. But that ratio is pi, and every circle is *exactly* the same as any other circle, just bigger or smaller, so the comparison between its circumference and diameter is always the same.
Latest Answers