a. 12,56 cm
Penjelasan dengan langkah-langkah:
• Panjang Busur = PB
PB = Besar sudut AOB/360° × Keliling
PB = 60°/360° × 2 × π × r
PB = 60°/360° × 2 × 3,14 × 12
PB = 60°/360° × 6,28 × 12
PB = 1/6 × 75,36
PB = 75,36/6
PB = 12,56 cm --> a. 12,56 cm
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Verified answer
a. 12,56 cm
Penjelasan dengan langkah-langkah:
• Panjang Busur = PB
PB = Besar sudut AOB/360° × Keliling
PB = 60°/360° × 2 × π × r
PB = 60°/360° × 2 × 3,14 × 12
PB = 60°/360° × 6,28 × 12
PB = 1/6 × 75,36
PB = 75,36/6
PB = 12,56 cm --> a. 12,56 cm