Yang Ngasal Report.
![](https://id-static.z-dn.net/files/d2c/b7c2da3c8d8e4cc6664b7223666ff49b.jpg)
Penjelasan dengan langkah-langkah:
1.
Titik pusat = O
Jari-jari = OP, OS, OQ
Diameter = SQ
Busur = RQ
Tali Busur = RQ
Tembereng = RQ
Juring = POQ, POS
Apotema = OT
Sudut = <POQ, <POS, <QOT, <QTO, <RQS
2.
Keliling = 2 × 22/7 × 28
= 176
Luas = 22/7 × 28 × 28
= 704