August 2018 2 12 Report
Pada gambar di samping, jika besar AOB = 90° dan panjang jari-jari lingkaran 14cm. Hitunglah :
a. Luas lingkaran
b. Luas juring OAB
c. Luas Δ AOB
d. Luas tembereng ( daerah tang diarsir )

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