please help In a circle of radius 3 inches an are of length

please help

In a circle of radius 3 inches an are of length 18 inches has angle theta. Find the measure of the angle in degrees and radians. theta = degree theta = radians

Solution

theta = arc length/ radius

= 18/3 = 6 radians

In degrees 1 rad = 180/pi degrees

So, 6 radians = (180/pi)*6 = 343.77 degrees