The minute hand of a clock is 8 inches long. To the nearest tenth of an inch, how far does the tip of the minute hand travel as the time progresses from 12:00 to 12:25?
The hand travels 25 min /60 min of a full circle (360 degrees)
25/60 x 360 = 150 degrees
pi * d is the circumference of this circle and d = 2r = 2 x 8 inches = 16 inches
and the hand travels 150 out of 360
pi * 16 * 150/360 inches You can take it from here !