Respuesta :

altavistard

Answer:

2π/3 cm

Step-by-step explanation:

The formula for arc length is s = rФ, where Ф is the central angle in radians.

Thus, we must convert 30° into radians:  that'd be π/6 rad.

Then the arc length here is s = rФ = (4 cm)(π/6 rad) = 2π/3 cm

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