Question

A circle has a radius of 3 inches, what is the length of the arc subtended by a central angle of 108 degrees?

Answer 1

`9/5pi`

Explanation:

The length of the arc (`Delta` in radians) is:

`L=Deltar`

Convert the angle to radians and use this formula to get:

`L=2pi(108/360)r=9/5pi`