The minute hand of a clock is 9 inches long How far does the

The minute hand of a clock is 9 inches long. How far does the tip of the minute hand move in 35 minutes? The tip of the minute hand moves inches (Type an integer or decimal rounded to three places as needed.)

Solution

Here length of minute hand that is the radius is given which is 9 inches

In 60 mins the min hand travels 2pi*r= 18pi

Therefore in 35 minutes it travels 18pi*35/60 = 32.97 inches