Determine the arc length measurement

Arc length is equal to its corresponding central angle.
That means that the arc measures 120° too.
Answer:
≈ 4.2 cm
Step-by-step explanation:
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr × [tex]\frac{120}{360}[/tex] ( r is the radius )
= 2π × 2 × [tex]\frac{1}{3}[/tex]
= 4π ÷ 3
≈ 4.2 cm ( to 1 dec. place )