August 2018 2 53 Report
Titik A dan B terletak pada lingkaran yg pusatnya O sehhingga panjang busur AB = 44 cm. Jika besar sudut AOB = 72 drajar, panjang jari-jari lingkaran adalah
A. 14 cm
B. 28 cm
C. 35 cm
D. 70 cm
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