Posted by Anonymous on Thursday, January 26, 2012 at 9:52pm.
The second hand on a clock is 8 inches long. If the second hand travels a distance of 10pi inches, what is the positive radian measure of the angle that the second hand travels through?

trig  Damon, Thursday, January 26, 2012 at 9:56pm
arc = r theta
10 pi = 8 theta
theta = 5 pi/4