# How do you find arc length of an arc that subtends a central angle of 60 degrees in a circle with radius 25m?

##### 1 Answer

Apr 20, 2018

#### Explanation:

#"the length of an arc given it subtends a known angle at"#

#"the centre is"#

#"arc length (l) "="circumference "xx"fraction of circle"#

#rArrl=2pirxx60/360#

#color(white)(l)=2pixx25xx1/6=(25pi)/3~~26.18" m"#