Answer:
25 units.
Step-by-step explanation:
r = 12 o = 2pi/3 (120°)
arc length = o/360° × 2pir
= 120°/360° × 2(22/7)(12)
= 1/3 × 2(22/7)(12)
= 2 × 22/7 × 4
= 25 units to the nearest whole number.
