Respuesta :

jokerkid4u

Answer:

1

Step-by-step explanation:

MathPhys

Answer:

8π/9 ≈ 2.79

Step-by-step explanation:

The arc length is a fraction of the total circumference:

s = (θ/360) 2πr

s = (40/360) 2π (4)

s = 8π/9

s ≈ 2.79