What is the total radian measure of the angle the minute hand travels in $4$ full rotations?

When a particle completes one full revolution in circular motion, how many radians of angle does it cover?

If the measure of central angle RST is $\theta$ radians in a circle of radius $r$, what is the area of the shaded sector if $r=4$ and $\theta =2$?

An arc on a circle measures $250°$. Within which range is the radian measure of the central angle?

If arc CD is one-fourth of the circumference of a circle, what is the radian measure of the central angle subtended by arc CD?

If a circle has a radius of $r$ inches and a central angle of $\theta$ radians, what is the length of arc $\mathrm{zv}$ in inches?

How many degrees is $-\frac{\pi }{8}$ radians?

How many radians is $280°$?

How many degrees are equivalent to $10$ radians?