Understanding Radian Measure of Angles Practice Test

A circle has radius $r=2$. An angle $\theta$ in standard position (starting at the positive $x$-axis) intercepts an arc of length $s=\pi$. Using the circle described, what is the radian measure of the angle?

Using the circle described: a circle has radius $r=3$, and an angle $\theta$ in standard position starts at the positive $x$-axis. The angle intercepts an arc of length $s=2\pi$. Based on the information given, what is the radian measure of $\theta$?