kakak To9ha, kakak kuz99 dan yg lain tolong bantu

a. OA, OB, OC, OD, OF
b. FC, AD
c. FA, AB, CD
d. OE

Jari-jari = AO, FO, CO, DO, BO
Garis tengah = FC, AD
Tali busur = AF, AB, CD
Apotema = EO

Koreksi jikalau salah.

Hope it helps, have a good night. ^^