If you know the circumference of a circle, and you have two points on it, all you need to know is the distance between those two points, and you can extrapolate the circumference.
Nah, jika Anda tahu keliling sebuah lingkaran, dan Anda punya dua titik diatasnya, dan Anda harus mengetahui jarak kedua titik tersebut, Anda bisa mengasumsikan keliling lingkaran