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d = 14 cm
r = 1/2 . d
= 1/2 . 14
= 7 cm
π = 22/7
sudut pusat = 120
Dijawab :
Panjang busur = keliling lingkaran x sudut pusat/360
= 2πr x 120/360
= 2 . 22/7 . 7 x 1/3
= 44 x 1/3
= 44/3
= 14, 67 cm
Itu jawabannya.
= 44 cm
panjang busur= 120/360 x 44
= 1/3 x 44
= 14,6 cm