9514 1404 393
Answer:
S = 4.5π ≈ 14.14 units
Explanation:
The arc length is given by ...
s = rθ . . . . . r = radius; θ = central angle in radians
The angle 135° is ...
135° = 135°(π/180°) = 3π/4 radians
The arc of interest has length ...
s = 6×3π/4 = 9/2π ≈ 14.14 . . . units