Question

The radius of a circle is 17 miles what is the length of an arc that subtends an angle of pi/5 radians?

Answer 1

$\text{Length of an arc in (radians) = }\theta r\text{ = }\frac{\pi}{5}\text{ x 17 = }\frac{17\pi}{5}\text{ miles = 3}\frac{2}{5}\pi\text{ miles}$