Jawabanmu

2014-02-06T21:09:44+07:00
Jam = 360˚
90˚ = 360/90 = 4
180˚ = 360/180 = 2
30˚ = 360/30 = 12
120˚ = 360/120 = 3
2 4 2
2014-02-06T21:22:37+07:00