October 2018 1 68 Report
1.diketahui OA = OB = 7 cm dan sudut AOB = 72 derajat . hitunglah
a. panjang busur AB
b. luas juring AOB
c. luas juring besar sudut AOB
2.diketahui sudut AOB = 72 derjat , OB 25 cm dan [tex] pi= 3,14 hitunglah
a panjang busur AB
b. luas lingkaran
c.luas juring AOB
tolong lah dijawab nya ples
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