Jawapan

2016-08-23T23:14:58+08:00
3x = 108 + x
3x - x = 108
2x = 108
x = 108/2 [tekan calculator]
x = (dpt jawapan)
2016-08-23T23:19:39+08:00
Nak x atau 4x ??

2x°=108°
x=108°/2
=54°
klau nk 4x°
54°×4=216°