Answer:
3 pi
Step-by-step explanation:
We already know that the sum of the angles adds up to 360.
Therefore we get 73+ 104+ 43 + x = 360, where x = 140
arc length = [tex]\frac{angle}{360} * (2\pi r)[/tex]
were the angle is 140 and r = 4. The radius was given.
Hope this helps.
