Respuesta :

Answer:

80 ft

Step-by-step explanation:

the length of an arc is equal to the degree the arc makes

mhanifa

Answer:

  • A. 28π/9 ft

Step-by-step explanation:

Arc length is:

  • 2πr*80°/360° ft =
  • 4π*7/9 ft =
  • 28π/9 ft

Correct choice is A