Jawaban:
= sudut pusat/360° × Keliling lingkaran
= panjang busur
= 120/360 × π × d = 22 cm
= ⅓ × 22/7 × d = 22 cm
= 22/21 × d = 22 cm
d = 22 cm × 21/22
= 21 cm ( C. )
[[ SN ]]
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Jawaban:
= sudut pusat/360° × Keliling lingkaran
= panjang busur
= 120/360 × π × d = 22 cm
= ⅓ × 22/7 × d = 22 cm
= 22/21 × d = 22 cm
d = 22 cm × 21/22
= 21 cm ( C. )
[[ SN ]]