[tex]s = 44.0\:\text{m}[/tex]
Step-by-step explanation:
First convert the angle into radian measure:
[tex]315°×\left(\dfrac{\pi}{180°}\right) = 5.50\:\text{rad}[/tex]
The arc length s is given by
[tex]s = r\theta = (8\:\text{m})(5.50\:\text{rad}) = 44.0\:\text{m}[/tex]
