Posted by chris on .
1.A child chooses a horse to ride on a carousel. The horse is located 9m from the centre of the carousel. If the ride turns through an angle of 128pie/27 determine the length of the arc travelled by the horse.

math 
Reiny,
arc length = rĂ˜
= 9(128π/27) = 128π/3 m or appr. 134 m