Why is the ratio of the circumference of any circle to the diameter of that circle pi?

Question

I understand that it IS pi, but I don’t understand what “ratio of the circumference of any circle to the diameter” means.

In: 0

Answer 1

Measure the circumference of a circle. Then measure its diameter.

Divide the circumference by the diameter, you’ll get pi.

That’s it. It just means the circumference divided by the diameter.