**PLS HELP**
Find the arc length of the semicircle.
Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.
![PLS HELPFind the arc length of the semicircleEither enter an exact answer in terms of piπpi or use 3143143 point 14 for piπpi and enter your answer as a decimal class=](https://us-static.z-dn.net/files/d36/3be3e9f617abe6e2f3f7b6f985165461.png)