If you want to get idea of what does it mean, there you go.

So the value of PI is the length from certain point on circle meet the ground to when a certain point on circle meet the ground again. Simply it's one length of a rolling.

If you want to get idea of what does it mean, there you go.

So the value of PI is the length from certain point on circle meet the ground to when a certain point on circle meet the ground again. Simply it's one length of a rolling.