Question

Find the length of the arc intercepted by a central angle of 240 degrees in a circle of radius r equals 9 feet

Answer 1

37.7 feet ( to 1 dec. place )

Explanation:

arc length = circumference × fraction of circle

= 2π r ×
`(240)/(360)`

=
`(2\pi (9)(240))/(360)` ≈ 37.7 feet