Calculate the arc length of MN in terms of n.M15012 ttO 12 ftO 10n ft147 ft0 247 ft

hello
to solve this question, we can simply use the formula of area of an arc
[tex]A=\frac{\theta}{360}\times2\pi r[/tex][tex]\begin{gathered} \theta=150^0 \\ r=12ft \end{gathered}[/tex][tex]undefined[/tex]