Fi si awọn ayanfẹ
Yọ kuro lati awọn ayanfẹ
Ayipo a Circle (agbegbe ti a Circle) agbekalẹ isiro
Circumferenc ti a Circle (agbegbe ti a Circle) agbekalẹ isiro faye gba o lati ri a ayipo (agbegbe) ti a Circle, nipa awọn agbekalẹ, lilo rediosi ti a Circle.