If the ratio of the arc length to r is 1, then the measure of is 1 radian.


The ratio of arc length to r is always equal to 1.


If the measure of is 60, then the arc length is r.


If the measure of is 1 radian, then the arc length is r.


which options are true?

If the ratio of the arc length to r is 1, then the measure of is 1 radian. The ratio of arc length to r is always equal to 1. If the measure of is 60, then the class=