bantu ya kak makasih..bangett

unsur unsur lingkaran :

- AB = diameter (d)
- AO = BO = EO = FO = jari jari/ radius (r)
- FOE = juring
- GO = apotema
- arsiran dekat Segitiga = tembereng
- CD = tali busur
- AE = FB = EF = AB = busur