Respuesta :

Answer:

c. 8

Step-by-step explanation:

Length of an arc

  • l = 2πr x θ/360°

Given

  • r = 4
  • θ = 120°

Solving

  • 2 x 3.14 x 4 x 120/360
  • 3.14 x 8 x 1/3
  • 25.12/3
  • 8.37 ≅ 8