Respuesta :

Answer:

1.91 ft

Step-by-step explanation:

Formula

  • l = rα

where :

  1. l = arc length
  2. r = radius
  3. α = central angle

Solving for r

  • l = rα
  • r = l/α
  • r = 1.5/(π/4)
  • r = 6/π
  • r = 1.90985932 ft
  • r = 1.91 ft (nearest thousandth)