When u have to see yo homie get roasted by his ex and she tells everyone in the ch-at and his crush that he was a 4.5 inch shrimp

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units