# What is the formula for finding the length of an arc, using radians and degrees?

##### 1 Answer

Oct 15, 2015

Assuming this is an arc of a **circle** use the ratio of arc degrees divided by 360

#### Explanation:

If you know the radius and the arc in **degrees** :

**arc length** =

If you know the radius and the arc in **radians** :

**arc length** =

hope that helped