Jawabanmu

2014-03-13T19:19:41+07:00
A.
1/6 * 360 = 60°
60 * π/180 = ⅓π

b.
2/5 * 360 = 144°
144 * π/180 = 4π/5

c.
3/10 * 360 = 108°
108 * π/180 = 3π/5