Jawabanmu

2014-06-09T13:05:22+07:00
Berarti
2x+3x = 180
5x = 180
x = 36
disubtitusi
sudut 1 = 2x >> 2(36) = 72
sudut 2 = 3x >> 3(36) = 108

1 1 1
2014-06-09T13:16:17+07:00
2x + 3x = 180
5x = 180
x = 36
Subtitusi aja...
2(36) = 72
3(36) = 108
1 1 1