Question

Find the length of an arc of a circle of radius 30 centimeters subtended by central angle 30 degrees?

Answer 1

I got `15.7cm`

Explanation:

Consider the diagram:

where the length of arc `s` is given as:
`s=rtheta`
with `theta` in radians. So you get:
`s=30*pi/6=30*3.14/6=15.7cm`