tolong dong sma caranya

semoga membantu.................

sudut 5x = 180 - 60 = 120
nilai x = 120/5 = 24
.
sudut 4x =4(24) = 96
sudut ACB = 180 - 96 = 84
.
Jadi sudut ABC = 180 - ( 60 + 84)
= 180 - 144
= 36
..............................................................
Maaf kalau salah