October 2018 1 24 Report
1.Diketahui besar sudut AOB=50 derajat ,AOD=140 derajat dan COD-80 derajat.
Panjang busur CD=32 cm.Hitunglah:
a.Panjang busur AB
b.Panjang busur AD
c.Keliling lingkaran

2.Sebuah juring OAB memiliki panjang busur AD=44cm.Panjang
OA=21cm.Berapa luas juring tersebut?

Tolong dijawab ya


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