October 2018 2 54 Report
2.)perhatikan gambar berikut ini !
jika busur sudut ADB = 90° , dan panjang jari jari lingkaran 14 cm , maka hitunglah :
a. luas lingkaran
b. luas juring OAB
c. luas segitiga AOB
d. luas tembereng (daerah yg diarsir)!
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