Question #c6e98

1 Answer
May 10, 2017

1.0472

Explanation:

2pir = circumference
2pi(3)
6pi
20 degrees out of 360 means 20/360 of the total circumference
6 pi * 20/360 = 6 pi * 1/18 = (6 pi)/18 = pi/3 ~~ 1.047

1.0472