14x + 4x = 180
18x = 180
x = 10
4x = 4 * 10 = 40
Jadi, Jawabannya Adalah B).40°
_______________________________
Semoga Membantu :)
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14x + 4x = 180
18x = 180
x = 10
4x = 4 * 10 = 40
Jadi, Jawabannya Adalah B).40°
_______________________________
Semoga Membantu :)